Home / 1,625,687.40-2,440,105.02-784,829.16

Finding the Fourth Proportional to 1,625,687.40, 2,440,105.02 and 784,829.16

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Solution

The fourth proportional to 1,625,687.40, 2,440,105.02 and 784,829.16 is: 1,178,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,687.40 : 2,440,105.02 = 784,829.16 : x
  2. Step 2: Convert to fraction form
    1,625,687.40/2,440,105.02 = 784,829.16/x
  3. Step 3: Cross multiply
    1,625,687.40x = 2,440,105.02 × 784,829.16
  4. Step 4: Simplify right side
    1,625,687.40x = 1,915,065,573,158.38
  5. Step 5: Solve for x
    x = 1,915,065,573,158.38/1,625,687.40
  6. Step 6: Final answer
    x = 1,178,003.58

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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.