Home / 1,399,580.04-1,931,605.62-787,851.24

Finding the Fourth Proportional to 1,399,580.04, 1,931,605.62 and 787,851.24

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Solution

The fourth proportional to 1,399,580.04, 1,931,605.62 and 787,851.24 is: 1,087,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,580.04 : 1,931,605.62 = 787,851.24 : x
  2. Step 2: Convert to fraction form
    1,399,580.04/1,931,605.62 = 787,851.24/x
  3. Step 3: Cross multiply
    1,399,580.04x = 1,931,605.62 × 787,851.24
  4. Step 4: Simplify right side
    1,399,580.04x = 1,521,817,882,907.97
  5. Step 5: Solve for x
    x = 1,521,817,882,907.97/1,399,580.04
  6. Step 6: Final answer
    x = 1,087,338.94

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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.