Home / 1,429,465.10-1,972,726.18-856,492.97

Finding the Fourth Proportional to 1,429,465.10, 1,972,726.18 and 856,492.97

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Solution

The fourth proportional to 1,429,465.10, 1,972,726.18 and 856,492.97 is: 1,181,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,465.10 : 1,972,726.18 = 856,492.97 : x
  2. Step 2: Convert to fraction form
    1,429,465.10/1,972,726.18 = 856,492.97/x
  3. Step 3: Cross multiply
    1,429,465.10x = 1,972,726.18 × 856,492.97
  4. Step 4: Simplify right side
    1,429,465.10x = 1,689,626,092,900.09
  5. Step 5: Solve for x
    x = 1,689,626,092,900.09/1,429,465.10
  6. Step 6: Final answer
    x = 1,181,998.85

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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.