Home / 1,377,370.71-2,064,872.75-478,695.69

Finding the Fourth Proportional to 1,377,370.71, 2,064,872.75 and 478,695.69

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Solution

The fourth proportional to 1,377,370.71, 2,064,872.75 and 478,695.69 is: 717,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,370.71 : 2,064,872.75 = 478,695.69 : x
  2. Step 2: Convert to fraction form
    1,377,370.71/2,064,872.75 = 478,695.69/x
  3. Step 3: Cross multiply
    1,377,370.71x = 2,064,872.75 × 478,695.69
  4. Step 4: Simplify right side
    1,377,370.71x = 988,445,683,429.97
  5. Step 5: Solve for x
    x = 988,445,683,429.97/1,377,370.71
  6. Step 6: Final answer
    x = 717,632.28

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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.