Home / 1,500,493.20-2,070,677.16-821,423.76

Finding the Fourth Proportional to 1,500,493.20, 2,070,677.16 and 821,423.76

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Solution

The fourth proportional to 1,500,493.20, 2,070,677.16 and 821,423.76 is: 1,133,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,493.20 : 2,070,677.16 = 821,423.76 : x
  2. Step 2: Convert to fraction form
    1,500,493.20/2,070,677.16 = 821,423.76/x
  3. Step 3: Cross multiply
    1,500,493.20x = 2,070,677.16 × 821,423.76
  4. Step 4: Simplify right side
    1,500,493.20x = 1,700,903,418,513.32
  5. Step 5: Solve for x
    x = 1,700,903,418,513.32/1,500,493.20
  6. Step 6: Final answer
    x = 1,133,562.90

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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.