Home / 1,429,473.60-1,972,737.90-856,501.46

Finding the Fourth Proportional to 1,429,473.60, 1,972,737.90 and 856,501.46

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Solution

The fourth proportional to 1,429,473.60, 1,972,737.90 and 856,501.46 is: 1,182,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,473.60 : 1,972,737.90 = 856,501.46 : x
  2. Step 2: Convert to fraction form
    1,429,473.60/1,972,737.90 = 856,501.46/x
  3. Step 3: Cross multiply
    1,429,473.60x = 1,972,737.90 × 856,501.46
  4. Step 4: Simplify right side
    1,429,473.60x = 1,689,652,891,547.33
  5. Step 5: Solve for x
    x = 1,689,652,891,547.33/1,429,473.60
  6. Step 6: Final answer
    x = 1,182,010.56

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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.