Home / 1,126,878.57-1,554,603.71-745,437.69

Finding the Fourth Proportional to 1,126,878.57, 1,554,603.71 and 745,437.69

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Solution

The fourth proportional to 1,126,878.57, 1,554,603.71 and 745,437.69 is: 1,028,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,878.57 : 1,554,603.71 = 745,437.69 : x
  2. Step 2: Convert to fraction form
    1,126,878.57/1,554,603.71 = 745,437.69/x
  3. Step 3: Cross multiply
    1,126,878.57x = 1,554,603.71 × 745,437.69
  4. Step 4: Simplify right side
    1,126,878.57x = 1,158,860,194,720.64
  5. Step 5: Solve for x
    x = 1,158,860,194,720.64/1,126,878.57
  6. Step 6: Final answer
    x = 1,028,380.72

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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.