Home / 1,359,666.20-2,039,499.30-729,810.20

Finding the Fourth Proportional to 1,359,666.20, 2,039,499.30 and 729,810.20

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Solution

The fourth proportional to 1,359,666.20, 2,039,499.30 and 729,810.20 is: 1,094,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,666.20 : 2,039,499.30 = 729,810.20 : x
  2. Step 2: Convert to fraction form
    1,359,666.20/2,039,499.30 = 729,810.20/x
  3. Step 3: Cross multiply
    1,359,666.20x = 2,039,499.30 × 729,810.20
  4. Step 4: Simplify right side
    1,359,666.20x = 1,488,447,392,032.86
  5. Step 5: Solve for x
    x = 1,488,447,392,032.86/1,359,666.20
  6. Step 6: Final answer
    x = 1,094,715.30

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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.