Home / 1,124,051.70-1,685,402.28-516,079.20

Finding the Fourth Proportional to 1,124,051.70, 1,685,402.28 and 516,079.20

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Solution

The fourth proportional to 1,124,051.70, 1,685,402.28 and 516,079.20 is: 773,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,051.70 : 1,685,402.28 = 516,079.20 : x
  2. Step 2: Convert to fraction form
    1,124,051.70/1,685,402.28 = 516,079.20/x
  3. Step 3: Cross multiply
    1,124,051.70x = 1,685,402.28 × 516,079.20
  4. Step 4: Simplify right side
    1,124,051.70x = 869,801,060,340.58
  5. Step 5: Solve for x
    x = 869,801,060,340.58/1,124,051.70
  6. Step 6: Final answer
    x = 773,808.77

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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.