Home / 1,615,675.20-2,423,512.80-551,918.40

Finding the Fourth Proportional to 1,615,675.20, 2,423,512.80 and 551,918.40

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Solution

The fourth proportional to 1,615,675.20, 2,423,512.80 and 551,918.40 is: 827,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,675.20 : 2,423,512.80 = 551,918.40 : x
  2. Step 2: Convert to fraction form
    1,615,675.20/2,423,512.80 = 551,918.40/x
  3. Step 3: Cross multiply
    1,615,675.20x = 2,423,512.80 × 551,918.40
  4. Step 4: Simplify right side
    1,615,675.20x = 1,337,581,306,955.52
  5. Step 5: Solve for x
    x = 1,337,581,306,955.52/1,615,675.20
  6. Step 6: Final answer
    x = 827,877.60

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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.