Home / 1,567,382.45-2,351,073.68-385,430.45

Finding the Fourth Proportional to 1,567,382.45, 2,351,073.68 and 385,430.45

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Solution

The fourth proportional to 1,567,382.45, 2,351,073.68 and 385,430.45 is: 578,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,382.45 : 2,351,073.68 = 385,430.45 : x
  2. Step 2: Convert to fraction form
    1,567,382.45/2,351,073.68 = 385,430.45/x
  3. Step 3: Cross multiply
    1,567,382.45x = 2,351,073.68 × 385,430.45
  4. Step 4: Simplify right side
    1,567,382.45x = 906,175,386,465.56
  5. Step 5: Solve for x
    x = 906,175,386,465.56/1,567,382.45
  6. Step 6: Final answer
    x = 578,145.68

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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.