Home / 1,500,211.24-2,070,298.10-811,883.19

Finding the Fourth Proportional to 1,500,211.24, 2,070,298.10 and 811,883.19

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Solution

The fourth proportional to 1,500,211.24, 2,070,298.10 and 811,883.19 is: 1,120,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,211.24 : 2,070,298.10 = 811,883.19 : x
  2. Step 2: Convert to fraction form
    1,500,211.24/2,070,298.10 = 811,883.19/x
  3. Step 3: Cross multiply
    1,500,211.24x = 2,070,298.10 × 811,883.19
  4. Step 4: Simplify right side
    1,500,211.24x = 1,680,840,235,472.27
  5. Step 5: Solve for x
    x = 1,680,840,235,472.27/1,500,211.24
  6. Step 6: Final answer
    x = 1,120,402.38

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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.