Home / 926,625.60-1,389,938.40-740,001.60

Finding the Fourth Proportional to 926,625.60, 1,389,938.40 and 740,001.60

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Solution

The fourth proportional to 926,625.60, 1,389,938.40 and 740,001.60 is: 1,110,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,625.60 : 1,389,938.40 = 740,001.60 : x
  2. Step 2: Convert to fraction form
    926,625.60/1,389,938.40 = 740,001.60/x
  3. Step 3: Cross multiply
    926,625.60x = 1,389,938.40 × 740,001.60
  4. Step 4: Simplify right side
    926,625.60x = 1,028,556,639,901.44
  5. Step 5: Solve for x
    x = 1,028,556,639,901.44/926,625.60
  6. Step 6: Final answer
    x = 1,110,002.40

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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.