Home / 970,219.20-1,455,328.80-929,265.60

Finding the Fourth Proportional to 970,219.20, 1,455,328.80 and 929,265.60

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Solution

The fourth proportional to 970,219.20, 1,455,328.80 and 929,265.60 is: 1,393,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,219.20 : 1,455,328.80 = 929,265.60 : x
  2. Step 2: Convert to fraction form
    970,219.20/1,455,328.80 = 929,265.60/x
  3. Step 3: Cross multiply
    970,219.20x = 1,455,328.80 × 929,265.60
  4. Step 4: Simplify right side
    970,219.20x = 1,352,386,990,529.28
  5. Step 5: Solve for x
    x = 1,352,386,990,529.28/970,219.20
  6. Step 6: Final answer
    x = 1,393,898.40

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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.