Home / 1,587,123.40-2,380,685.10-840,627.40

Finding the Fourth Proportional to 1,587,123.40, 2,380,685.10 and 840,627.40

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Solution

The fourth proportional to 1,587,123.40, 2,380,685.10 and 840,627.40 is: 1,260,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,123.40 : 2,380,685.10 = 840,627.40 : x
  2. Step 2: Convert to fraction form
    1,587,123.40/2,380,685.10 = 840,627.40/x
  3. Step 3: Cross multiply
    1,587,123.40x = 2,380,685.10 × 840,627.40
  4. Step 4: Simplify right side
    1,587,123.40x = 2,001,269,125,831.74
  5. Step 5: Solve for x
    x = 2,001,269,125,831.74/1,587,123.40
  6. Step 6: Final answer
    x = 1,260,941.10

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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.