Home / 1,010,851.74-1,509,723.84-915,892.20

Finding the Fourth Proportional to 1,010,851.74, 1,509,723.84 and 915,892.20

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Solution

The fourth proportional to 1,010,851.74, 1,509,723.84 and 915,892.20 is: 1,367,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,851.74 : 1,509,723.84 = 915,892.20 : x
  2. Step 2: Convert to fraction form
    1,010,851.74/1,509,723.84 = 915,892.20/x
  3. Step 3: Cross multiply
    1,010,851.74x = 1,509,723.84 × 915,892.20
  4. Step 4: Simplify right side
    1,010,851.74x = 1,382,744,289,210.05
  5. Step 5: Solve for x
    x = 1,382,744,289,210.05/1,010,851.74
  6. Step 6: Final answer
    x = 1,367,900.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.