Home / 1,008,076.90-1,510,560.15-874,329.70

Finding the Fourth Proportional to 1,008,076.90, 1,510,560.15 and 874,329.70

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Solution

The fourth proportional to 1,008,076.90, 1,510,560.15 and 874,329.70 is: 1,310,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,076.90 : 1,510,560.15 = 874,329.70 : x
  2. Step 2: Convert to fraction form
    1,008,076.90/1,510,560.15 = 874,329.70/x
  3. Step 3: Cross multiply
    1,008,076.90x = 1,510,560.15 × 874,329.70
  4. Step 4: Simplify right side
    1,008,076.90x = 1,320,727,602,781.45
  5. Step 5: Solve for x
    x = 1,320,727,602,781.45/1,008,076.90
  6. Step 6: Final answer
    x = 1,310,145.69

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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.