Home / 1,377,113.89-2,065,669.25-478,555.71

Finding the Fourth Proportional to 1,377,113.89, 2,065,669.25 and 478,555.71

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Solution

The fourth proportional to 1,377,113.89, 2,065,669.25 and 478,555.71 is: 717,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,113.89 : 2,065,669.25 = 478,555.71 : x
  2. Step 2: Convert to fraction form
    1,377,113.89/2,065,669.25 = 478,555.71/x
  3. Step 3: Cross multiply
    1,377,113.89x = 2,065,669.25 × 478,555.71
  4. Step 4: Simplify right side
    1,377,113.89x = 988,537,814,558.92
  5. Step 5: Solve for x
    x = 988,537,814,558.92/1,377,113.89
  6. Step 6: Final answer
    x = 717,833.01

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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.