Home / 1,397,347.70-2,096,021.55-400,075.70

Finding the Fourth Proportional to 1,397,347.70, 2,096,021.55 and 400,075.70

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Solution

The fourth proportional to 1,397,347.70, 2,096,021.55 and 400,075.70 is: 600,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,347.70 : 2,096,021.55 = 400,075.70 : x
  2. Step 2: Convert to fraction form
    1,397,347.70/2,096,021.55 = 400,075.70/x
  3. Step 3: Cross multiply
    1,397,347.70x = 2,096,021.55 × 400,075.70
  4. Step 4: Simplify right side
    1,397,347.70x = 838,567,288,831.34
  5. Step 5: Solve for x
    x = 838,567,288,831.34/1,397,347.70
  6. Step 6: Final answer
    x = 600,113.55

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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.