Home / 1,114,878.80-1,539,171.12-734,012.80

Finding the Fourth Proportional to 1,114,878.80, 1,539,171.12 and 734,012.80

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Solution

The fourth proportional to 1,114,878.80, 1,539,171.12 and 734,012.80 is: 1,013,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,878.80 : 1,539,171.12 = 734,012.80 : x
  2. Step 2: Convert to fraction form
    1,114,878.80/1,539,171.12 = 734,012.80/x
  3. Step 3: Cross multiply
    1,114,878.80x = 1,539,171.12 × 734,012.80
  4. Step 4: Simplify right side
    1,114,878.80x = 1,129,771,303,470.34
  5. Step 5: Solve for x
    x = 1,129,771,303,470.34/1,114,878.80
  6. Step 6: Final answer
    x = 1,013,357.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.