Home / 1,402,395.56-2,103,947.04-391,516.64

Finding the Fourth Proportional to 1,402,395.56, 2,103,947.04 and 391,516.64

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Solution

The fourth proportional to 1,402,395.56, 2,103,947.04 and 391,516.64 is: 587,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,395.56 : 2,103,947.04 = 391,516.64 : x
  2. Step 2: Convert to fraction form
    1,402,395.56/2,103,947.04 = 391,516.64/x
  3. Step 3: Cross multiply
    1,402,395.56x = 2,103,947.04 × 391,516.64
  4. Step 4: Simplify right side
    1,402,395.56x = 823,730,275,838.75
  5. Step 5: Solve for x
    x = 823,730,275,838.75/1,402,395.56
  6. Step 6: Final answer
    x = 587,373.70

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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.