Home / 1,103,332.32-1,655,128.08-393,461.28

Finding the Fourth Proportional to 1,103,332.32, 1,655,128.08 and 393,461.28

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Solution

The fourth proportional to 1,103,332.32, 1,655,128.08 and 393,461.28 is: 590,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,332.32 : 1,655,128.08 = 393,461.28 : x
  2. Step 2: Convert to fraction form
    1,103,332.32/1,655,128.08 = 393,461.28/x
  3. Step 3: Cross multiply
    1,103,332.32x = 1,655,128.08 × 393,461.28
  4. Step 4: Simplify right side
    1,103,332.32x = 651,228,812,920.74
  5. Step 5: Solve for x
    x = 651,228,812,920.74/1,103,332.32
  6. Step 6: Final answer
    x = 590,238.14

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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.