Home / 1,377,116.89-2,065,673.75-478,558.71

Finding the Fourth Proportional to 1,377,116.89, 2,065,673.75 and 478,558.71

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Solution

The fourth proportional to 1,377,116.89, 2,065,673.75 and 478,558.71 is: 717,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,116.89 : 2,065,673.75 = 478,558.71 : x
  2. Step 2: Convert to fraction form
    1,377,116.89/2,065,673.75 = 478,558.71/x
  3. Step 3: Cross multiply
    1,377,116.89x = 2,065,673.75 × 478,558.71
  4. Step 4: Simplify right side
    1,377,116.89x = 988,546,165,080.86
  5. Step 5: Solve for x
    x = 988,546,165,080.86/1,377,116.89
  6. Step 6: Final answer
    x = 717,837.51

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1.5x scale

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.