Home / 1,432,541.64-1,976,875.29-787,947.69

Finding the Fourth Proportional to 1,432,541.64, 1,976,875.29 and 787,947.69

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Solution

The fourth proportional to 1,432,541.64, 1,976,875.29 and 787,947.69 is: 1,087,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,541.64 : 1,976,875.29 = 787,947.69 : x
  2. Step 2: Convert to fraction form
    1,432,541.64/1,976,875.29 = 787,947.69/x
  3. Step 3: Cross multiply
    1,432,541.64x = 1,976,875.29 × 787,947.69
  4. Step 4: Simplify right side
    1,432,541.64x = 1,557,674,318,173.58
  5. Step 5: Solve for x
    x = 1,557,674,318,173.58/1,432,541.64
  6. Step 6: Final answer
    x = 1,087,350.12

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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.