Home / 918,251.10-1,377,376.65-694,302.30

Finding the Fourth Proportional to 918,251.10, 1,377,376.65 and 694,302.30

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Solution

The fourth proportional to 918,251.10, 1,377,376.65 and 694,302.30 is: 1,041,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,251.10 : 1,377,376.65 = 694,302.30 : x
  2. Step 2: Convert to fraction form
    918,251.10/1,377,376.65 = 694,302.30/x
  3. Step 3: Cross multiply
    918,251.10x = 1,377,376.65 × 694,302.30
  4. Step 4: Simplify right side
    918,251.10x = 956,315,776,061.30
  5. Step 5: Solve for x
    x = 956,315,776,061.30/918,251.10
  6. Step 6: Final answer
    x = 1,041,453.45

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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.