Home / 918,063.60-1,377,095.40-681,867.60

Finding the Fourth Proportional to 918,063.60, 1,377,095.40 and 681,867.60

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Solution

The fourth proportional to 918,063.60, 1,377,095.40 and 681,867.60 is: 1,022,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,063.60 : 1,377,095.40 = 681,867.60 : x
  2. Step 2: Convert to fraction form
    918,063.60/1,377,095.40 = 681,867.60/x
  3. Step 3: Cross multiply
    918,063.60x = 1,377,095.40 × 681,867.60
  4. Step 4: Simplify right side
    918,063.60x = 938,996,735,369.04
  5. Step 5: Solve for x
    x = 938,996,735,369.04/918,063.60
  6. Step 6: Final answer
    x = 1,022,801.40

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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.