Home / 1,377,115.30-2,065,964.55-417,492.10

Finding the Fourth Proportional to 1,377,115.30, 2,065,964.55 and 417,492.10

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Solution

The fourth proportional to 1,377,115.30, 2,065,964.55 and 417,492.10 is: 626,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,115.30 : 2,065,964.55 = 417,492.10 : x
  2. Step 2: Convert to fraction form
    1,377,115.30/2,065,964.55 = 417,492.10/x
  3. Step 3: Cross multiply
    1,377,115.30x = 2,065,964.55 × 417,492.10
  4. Step 4: Simplify right side
    1,377,115.30x = 862,523,878,505.06
  5. Step 5: Solve for x
    x = 862,523,878,505.06/1,377,115.30
  6. Step 6: Final answer
    x = 626,326.55

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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.