Home / 1,296,005.60-1,944,008.40-1,207,432.10

Finding the Fourth Proportional to 1,296,005.60, 1,944,008.40 and 1,207,432.10

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Solution

The fourth proportional to 1,296,005.60, 1,944,008.40 and 1,207,432.10 is: 1,811,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,005.60 : 1,944,008.40 = 1,207,432.10 : x
  2. Step 2: Convert to fraction form
    1,296,005.60/1,944,008.40 = 1,207,432.10/x
  3. Step 3: Cross multiply
    1,296,005.60x = 1,944,008.40 × 1,207,432.10
  4. Step 4: Simplify right side
    1,296,005.60x = 2,347,258,144,829.64
  5. Step 5: Solve for x
    x = 2,347,258,144,829.64/1,296,005.60
  6. Step 6: Final answer
    x = 1,811,148.15

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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.