Home / 1,238,497.60-1,857,746.40-397,134.40

Finding the Fourth Proportional to 1,238,497.60, 1,857,746.40 and 397,134.40

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Solution

The fourth proportional to 1,238,497.60, 1,857,746.40 and 397,134.40 is: 595,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,497.60 : 1,857,746.40 = 397,134.40 : x
  2. Step 2: Convert to fraction form
    1,238,497.60/1,857,746.40 = 397,134.40/x
  3. Step 3: Cross multiply
    1,238,497.60x = 1,857,746.40 × 397,134.40
  4. Step 4: Simplify right side
    1,238,497.60x = 737,775,001,916.16
  5. Step 5: Solve for x
    x = 737,775,001,916.16/1,238,497.60
  6. Step 6: Final answer
    x = 595,701.60

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Double scale
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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.