Home / 918,195.60-1,377,293.40-912,946.80

Finding the Fourth Proportional to 918,195.60, 1,377,293.40 and 912,946.80

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Solution

The fourth proportional to 918,195.60, 1,377,293.40 and 912,946.80 is: 1,369,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,195.60 : 1,377,293.40 = 912,946.80 : x
  2. Step 2: Convert to fraction form
    918,195.60/1,377,293.40 = 912,946.80/x
  3. Step 3: Cross multiply
    918,195.60x = 1,377,293.40 × 912,946.80
  4. Step 4: Simplify right side
    918,195.60x = 1,257,395,602,191.12
  5. Step 5: Solve for x
    x = 1,257,395,602,191.12/918,195.60
  6. Step 6: Final answer
    x = 1,369,420.20

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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.