Home / 947,144.02-1,418,446.41-690,288.16

Finding the Fourth Proportional to 947,144.02, 1,418,446.41 and 690,288.16

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Solution

The fourth proportional to 947,144.02, 1,418,446.41 and 690,288.16 is: 1,033,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,144.02 : 1,418,446.41 = 690,288.16 : x
  2. Step 2: Convert to fraction form
    947,144.02/1,418,446.41 = 690,288.16/x
  3. Step 3: Cross multiply
    947,144.02x = 1,418,446.41 × 690,288.16
  4. Step 4: Simplify right side
    947,144.02x = 979,136,762,417.51
  5. Step 5: Solve for x
    x = 979,136,762,417.51/947,144.02
  6. Step 6: Final answer
    x = 1,033,778.12

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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.