Home / 1,377,020.24-2,065,474.20-478,665.68

Finding the Fourth Proportional to 1,377,020.24, 2,065,474.20 and 478,665.68

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Solution

The fourth proportional to 1,377,020.24, 2,065,474.20 and 478,665.68 is: 717,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,020.24 : 2,065,474.20 = 478,665.68 : x
  2. Step 2: Convert to fraction form
    1,377,020.24/2,065,474.20 = 478,665.68/x
  3. Step 3: Cross multiply
    1,377,020.24x = 2,065,474.20 × 478,665.68
  4. Step 4: Simplify right side
    1,377,020.24x = 988,671,612,465.46
  5. Step 5: Solve for x
    x = 988,671,612,465.46/1,377,020.24
  6. Step 6: Final answer
    x = 717,979.00

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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.