Home / 1,357,545.32-1,873,303.28-784,622.60

Finding the Fourth Proportional to 1,357,545.32, 1,873,303.28 and 784,622.60

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Solution

The fourth proportional to 1,357,545.32, 1,873,303.28 and 784,622.60 is: 1,082,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,545.32 : 1,873,303.28 = 784,622.60 : x
  2. Step 2: Convert to fraction form
    1,357,545.32/1,873,303.28 = 784,622.60/x
  3. Step 3: Cross multiply
    1,357,545.32x = 1,873,303.28 × 784,622.60
  4. Step 4: Simplify right side
    1,357,545.32x = 1,469,836,090,142.13
  5. Step 5: Solve for x
    x = 1,469,836,090,142.13/1,357,545.32
  6. Step 6: Final answer
    x = 1,082,716.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.