Home / 1,648,390.60-2,471,405.10-636,646.60

Finding the Fourth Proportional to 1,648,390.60, 2,471,405.10 and 636,646.60

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Solution

The fourth proportional to 1,648,390.60, 2,471,405.10 and 636,646.60 is: 954,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,390.60 : 2,471,405.10 = 636,646.60 : x
  2. Step 2: Convert to fraction form
    1,648,390.60/2,471,405.10 = 636,646.60/x
  3. Step 3: Cross multiply
    1,648,390.60x = 2,471,405.10 × 636,646.60
  4. Step 4: Simplify right side
    1,648,390.60x = 1,573,411,654,137.66
  5. Step 5: Solve for x
    x = 1,573,411,654,137.66/1,648,390.60
  6. Step 6: Final answer
    x = 954,513.85

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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.