Home / 1,155,878.76-1,734,539.85-831,699.75

Finding the Fourth Proportional to 1,155,878.76, 1,734,539.85 and 831,699.75

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Solution

The fourth proportional to 1,155,878.76, 1,734,539.85 and 831,699.75 is: 1,248,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,878.76 : 1,734,539.85 = 831,699.75 : x
  2. Step 2: Convert to fraction form
    1,155,878.76/1,734,539.85 = 831,699.75/x
  3. Step 3: Cross multiply
    1,155,878.76x = 1,734,539.85 × 831,699.75
  4. Step 4: Simplify right side
    1,155,878.76x = 1,442,616,359,610.04
  5. Step 5: Solve for x
    x = 1,442,616,359,610.04/1,155,878.76
  6. Step 6: Final answer
    x = 1,248,068.92

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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.