Home / 1,148,773.68-1,723,169.04-429,278.01

Finding the Fourth Proportional to 1,148,773.68, 1,723,169.04 and 429,278.01

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Solution

The fourth proportional to 1,148,773.68, 1,723,169.04 and 429,278.01 is: 643,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,773.68 : 1,723,169.04 = 429,278.01 : x
  2. Step 2: Convert to fraction form
    1,148,773.68/1,723,169.04 = 429,278.01/x
  3. Step 3: Cross multiply
    1,148,773.68x = 1,723,169.04 × 429,278.01
  4. Step 4: Simplify right side
    1,148,773.68x = 739,718,576,384.81
  5. Step 5: Solve for x
    x = 739,718,576,384.81/1,148,773.68
  6. Step 6: Final answer
    x = 643,920.20

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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.