Home / 1,567,377.70-2,351,066.55-385,425.70

Finding the Fourth Proportional to 1,567,377.70, 2,351,066.55 and 385,425.70

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Solution

The fourth proportional to 1,567,377.70, 2,351,066.55 and 385,425.70 is: 578,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,377.70 : 2,351,066.55 = 385,425.70 : x
  2. Step 2: Convert to fraction form
    1,567,377.70/2,351,066.55 = 385,425.70/x
  3. Step 3: Cross multiply
    1,567,377.70x = 2,351,066.55 × 385,425.70
  4. Step 4: Simplify right side
    1,567,377.70x = 906,161,470,780.34
  5. Step 5: Solve for x
    x = 906,161,470,780.34/1,567,377.70
  6. Step 6: Final answer
    x = 578,138.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.