Home / 1,488,963.60-2,233,445.40-740,912.40

Finding the Fourth Proportional to 1,488,963.60, 2,233,445.40 and 740,912.40

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Solution

The fourth proportional to 1,488,963.60, 2,233,445.40 and 740,912.40 is: 1,111,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,963.60 : 2,233,445.40 = 740,912.40 : x
  2. Step 2: Convert to fraction form
    1,488,963.60/2,233,445.40 = 740,912.40/x
  3. Step 3: Cross multiply
    1,488,963.60x = 2,233,445.40 × 740,912.40
  4. Step 4: Simplify right side
    1,488,963.60x = 1,654,787,391,582.96
  5. Step 5: Solve for x
    x = 1,654,787,391,582.96/1,488,963.60
  6. Step 6: Final answer
    x = 1,111,368.60

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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.