Home / 917,355.60-1,376,033.40-637,419.60

Finding the Fourth Proportional to 917,355.60, 1,376,033.40 and 637,419.60

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Solution

The fourth proportional to 917,355.60, 1,376,033.40 and 637,419.60 is: 956,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,355.60 : 1,376,033.40 = 637,419.60 : x
  2. Step 2: Convert to fraction form
    917,355.60/1,376,033.40 = 637,419.60/x
  3. Step 3: Cross multiply
    917,355.60x = 1,376,033.40 × 637,419.60
  4. Step 4: Simplify right side
    917,355.60x = 877,110,659,414.64
  5. Step 5: Solve for x
    x = 877,110,659,414.64/917,355.60
  6. Step 6: Final answer
    x = 956,129.40

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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.