Home / 912,643.20-1,368,964.80-595,382.40

Finding the Fourth Proportional to 912,643.20, 1,368,964.80 and 595,382.40

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Solution

The fourth proportional to 912,643.20, 1,368,964.80 and 595,382.40 is: 893,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,643.20 : 1,368,964.80 = 595,382.40 : x
  2. Step 2: Convert to fraction form
    912,643.20/1,368,964.80 = 595,382.40/x
  3. Step 3: Cross multiply
    912,643.20x = 1,368,964.80 × 595,382.40
  4. Step 4: Simplify right side
    912,643.20x = 815,057,548,139.52
  5. Step 5: Solve for x
    x = 815,057,548,139.52/912,643.20
  6. Step 6: Final answer
    x = 893,073.60

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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.