Home / 850,621.20-1,275,931.80-830,938.20

Finding the Fourth Proportional to 850,621.20, 1,275,931.80 and 830,938.20

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Solution

The fourth proportional to 850,621.20, 1,275,931.80 and 830,938.20 is: 1,246,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,621.20 : 1,275,931.80 = 830,938.20 : x
  2. Step 2: Convert to fraction form
    850,621.20/1,275,931.80 = 830,938.20/x
  3. Step 3: Cross multiply
    850,621.20x = 1,275,931.80 × 830,938.20
  4. Step 4: Simplify right side
    850,621.20x = 1,060,220,473,214.76
  5. Step 5: Solve for x
    x = 1,060,220,473,214.76/850,621.20
  6. Step 6: Final answer
    x = 1,246,407.30

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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.