Home / 1,087,266.90-1,630,900.35-863,318.10

Finding the Fourth Proportional to 1,087,266.90, 1,630,900.35 and 863,318.10

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Solution

The fourth proportional to 1,087,266.90, 1,630,900.35 and 863,318.10 is: 1,294,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,266.90 : 1,630,900.35 = 863,318.10 : x
  2. Step 2: Convert to fraction form
    1,087,266.90/1,630,900.35 = 863,318.10/x
  3. Step 3: Cross multiply
    1,087,266.90x = 1,630,900.35 × 863,318.10
  4. Step 4: Simplify right side
    1,087,266.90x = 1,407,985,791,451.34
  5. Step 5: Solve for x
    x = 1,407,985,791,451.34/1,087,266.90
  6. Step 6: Final answer
    x = 1,294,977.15

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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.