Home / 898,961.60-1,348,442.40-830,532.80

Finding the Fourth Proportional to 898,961.60, 1,348,442.40 and 830,532.80

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Solution

The fourth proportional to 898,961.60, 1,348,442.40 and 830,532.80 is: 1,245,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,961.60 : 1,348,442.40 = 830,532.80 : x
  2. Step 2: Convert to fraction form
    898,961.60/1,348,442.40 = 830,532.80/x
  3. Step 3: Cross multiply
    898,961.60x = 1,348,442.40 × 830,532.80
  4. Step 4: Simplify right side
    898,961.60x = 1,119,925,642,110.72
  5. Step 5: Solve for x
    x = 1,119,925,642,110.72/898,961.60
  6. Step 6: Final answer
    x = 1,245,799.20

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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.