Home / 1,087,764.60-1,631,646.90-926,801.40

Finding the Fourth Proportional to 1,087,764.60, 1,631,646.90 and 926,801.40

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Solution

The fourth proportional to 1,087,764.60, 1,631,646.90 and 926,801.40 is: 1,390,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,764.60 : 1,631,646.90 = 926,801.40 : x
  2. Step 2: Convert to fraction form
    1,087,764.60/1,631,646.90 = 926,801.40/x
  3. Step 3: Cross multiply
    1,087,764.60x = 1,631,646.90 × 926,801.40
  4. Step 4: Simplify right side
    1,087,764.60x = 1,512,212,631,225.66
  5. Step 5: Solve for x
    x = 1,512,212,631,225.66/1,087,764.60
  6. Step 6: Final answer
    x = 1,390,202.10

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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.