Home / 1,377,411.68-2,064,934.08-478,736.72

Finding the Fourth Proportional to 1,377,411.68, 2,064,934.08 and 478,736.72

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Solution

The fourth proportional to 1,377,411.68, 2,064,934.08 and 478,736.72 is: 717,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,411.68 : 2,064,934.08 = 478,736.72 : x
  2. Step 2: Convert to fraction form
    1,377,411.68/2,064,934.08 = 478,736.72/x
  3. Step 3: Cross multiply
    1,377,411.68x = 2,064,934.08 × 478,736.72
  4. Step 4: Simplify right side
    1,377,411.68x = 988,559,768,475.42
  5. Step 5: Solve for x
    x = 988,559,768,475.42/1,377,411.68
  6. Step 6: Final answer
    x = 717,693.76

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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.