Home / 1,140,776.76-1,712,847.28-636,323.34

Finding the Fourth Proportional to 1,140,776.76, 1,712,847.28 and 636,323.34

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Solution

The fourth proportional to 1,140,776.76, 1,712,847.28 and 636,323.34 is: 955,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,776.76 : 1,712,847.28 = 636,323.34 : x
  2. Step 2: Convert to fraction form
    1,140,776.76/1,712,847.28 = 636,323.34/x
  3. Step 3: Cross multiply
    1,140,776.76x = 1,712,847.28 × 636,323.34
  4. Step 4: Simplify right side
    1,140,776.76x = 1,089,924,702,119.52
  5. Step 5: Solve for x
    x = 1,089,924,702,119.52/1,140,776.76
  6. Step 6: Final answer
    x = 955,423.30

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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.