Home / 1,767,801.60-2,651,702.40-645,724.80

Finding the Fourth Proportional to 1,767,801.60, 2,651,702.40 and 645,724.80

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Solution

The fourth proportional to 1,767,801.60, 2,651,702.40 and 645,724.80 is: 968,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,801.60 : 2,651,702.40 = 645,724.80 : x
  2. Step 2: Convert to fraction form
    1,767,801.60/2,651,702.40 = 645,724.80/x
  3. Step 3: Cross multiply
    1,767,801.60x = 2,651,702.40 × 645,724.80
  4. Step 4: Simplify right side
    1,767,801.60x = 1,712,270,001,899.52
  5. Step 5: Solve for x
    x = 1,712,270,001,899.52/1,767,801.60
  6. Step 6: Final answer
    x = 968,587.20

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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.