Home / 979,244.80-1,468,867.20-680,646.40

Finding the Fourth Proportional to 979,244.80, 1,468,867.20 and 680,646.40

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Solution

The fourth proportional to 979,244.80, 1,468,867.20 and 680,646.40 is: 1,020,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,244.80 : 1,468,867.20 = 680,646.40 : x
  2. Step 2: Convert to fraction form
    979,244.80/1,468,867.20 = 680,646.40/x
  3. Step 3: Cross multiply
    979,244.80x = 1,468,867.20 × 680,646.40
  4. Step 4: Simplify right side
    979,244.80x = 999,779,171,758.08
  5. Step 5: Solve for x
    x = 999,779,171,758.08/979,244.80
  6. Step 6: Final answer
    x = 1,020,969.60

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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.