Home / 1,558,959.60-2,336,689.80-660,248.40

Finding the Fourth Proportional to 1,558,959.60, 2,336,689.80 and 660,248.40

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Solution

The fourth proportional to 1,558,959.60, 2,336,689.80 and 660,248.40 is: 989,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,959.60 : 2,336,689.80 = 660,248.40 : x
  2. Step 2: Convert to fraction form
    1,558,959.60/2,336,689.80 = 660,248.40/x
  3. Step 3: Cross multiply
    1,558,959.60x = 2,336,689.80 × 660,248.40
  4. Step 4: Simplify right side
    1,558,959.60x = 1,542,795,701,746.32
  5. Step 5: Solve for x
    x = 1,542,795,701,746.32/1,558,959.60
  6. Step 6: Final answer
    x = 989,631.61

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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.