Home / 1,787,934.78-2,467,282.02-972,139.14

Finding the Fourth Proportional to 1,787,934.78, 2,467,282.02 and 972,139.14

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Solution

The fourth proportional to 1,787,934.78, 2,467,282.02 and 972,139.14 is: 1,341,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,934.78 : 2,467,282.02 = 972,139.14 : x
  2. Step 2: Convert to fraction form
    1,787,934.78/2,467,282.02 = 972,139.14/x
  3. Step 3: Cross multiply
    1,787,934.78x = 2,467,282.02 × 972,139.14
  4. Step 4: Simplify right side
    1,787,934.78x = 2,398,541,421,060.26
  5. Step 5: Solve for x
    x = 2,398,541,421,060.26/1,787,934.78
  6. Step 6: Final answer
    x = 1,341,515.05

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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.