Home / 917,295.60-1,375,943.40-637,359.60

Finding the Fourth Proportional to 917,295.60, 1,375,943.40 and 637,359.60

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Solution

The fourth proportional to 917,295.60, 1,375,943.40 and 637,359.60 is: 956,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,295.60 : 1,375,943.40 = 637,359.60 : x
  2. Step 2: Convert to fraction form
    917,295.60/1,375,943.40 = 637,359.60/x
  3. Step 3: Cross multiply
    917,295.60x = 1,375,943.40 × 637,359.60
  4. Step 4: Simplify right side
    917,295.60x = 876,970,735,046.64
  5. Step 5: Solve for x
    x = 876,970,735,046.64/917,295.60
  6. Step 6: Final answer
    x = 956,039.40

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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.