Home / 1,244,581.16-1,717,688.50-728,492.90

Finding the Fourth Proportional to 1,244,581.16, 1,717,688.50 and 728,492.90

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Solution

The fourth proportional to 1,244,581.16, 1,717,688.50 and 728,492.90 is: 1,005,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,581.16 : 1,717,688.50 = 728,492.90 : x
  2. Step 2: Convert to fraction form
    1,244,581.16/1,717,688.50 = 728,492.90/x
  3. Step 3: Cross multiply
    1,244,581.16x = 1,717,688.50 × 728,492.90
  4. Step 4: Simplify right side
    1,244,581.16x = 1,251,323,866,251.98
  5. Step 5: Solve for x
    x = 1,251,323,866,251.98/1,244,581.16
  6. Step 6: Final answer
    x = 1,005,417.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.