Home / 1,053,057.60-1,578,154.86-445,340.70

Finding the Fourth Proportional to 1,053,057.60, 1,578,154.86 and 445,340.70

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Solution

The fourth proportional to 1,053,057.60, 1,578,154.86 and 445,340.70 is: 667,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,057.60 : 1,578,154.86 = 445,340.70 : x
  2. Step 2: Convert to fraction form
    1,053,057.60/1,578,154.86 = 445,340.70/x
  3. Step 3: Cross multiply
    1,053,057.60x = 1,578,154.86 × 445,340.70
  4. Step 4: Simplify right side
    1,053,057.60x = 702,816,590,060.80
  5. Step 5: Solve for x
    x = 702,816,590,060.80/1,053,057.60
  6. Step 6: Final answer
    x = 667,405.65

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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.