Home / 1,762,759.20-2,644,916.40-815,642.40

Finding the Fourth Proportional to 1,762,759.20, 2,644,916.40 and 815,642.40

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Solution

The fourth proportional to 1,762,759.20, 2,644,916.40 and 815,642.40 is: 1,223,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,759.20 : 2,644,916.40 = 815,642.40 : x
  2. Step 2: Convert to fraction form
    1,762,759.20/2,644,916.40 = 815,642.40/x
  3. Step 3: Cross multiply
    1,762,759.20x = 2,644,916.40 × 815,642.40
  4. Step 4: Simplify right side
    1,762,759.20x = 2,157,305,960,295.36
  5. Step 5: Solve for x
    x = 2,157,305,960,295.36/1,762,759.20
  6. Step 6: Final answer
    x = 1,223,823.40

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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.