Home / 980,164.20-1,470,246.30-740,663.40

Finding the Fourth Proportional to 980,164.20, 1,470,246.30 and 740,663.40

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Solution

The fourth proportional to 980,164.20, 1,470,246.30 and 740,663.40 is: 1,110,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,164.20 : 1,470,246.30 = 740,663.40 : x
  2. Step 2: Convert to fraction form
    980,164.20/1,470,246.30 = 740,663.40/x
  3. Step 3: Cross multiply
    980,164.20x = 1,470,246.30 × 740,663.40
  4. Step 4: Simplify right side
    980,164.20x = 1,088,957,623,395.42
  5. Step 5: Solve for x
    x = 1,088,957,623,395.42/980,164.20
  6. Step 6: Final answer
    x = 1,110,995.10

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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.