Home / 1,129,878.92-1,559,263.35-664,765.26

Finding the Fourth Proportional to 1,129,878.92, 1,559,263.35 and 664,765.26

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Solution

The fourth proportional to 1,129,878.92, 1,559,263.35 and 664,765.26 is: 917,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,878.92 : 1,559,263.35 = 664,765.26 : x
  2. Step 2: Convert to fraction form
    1,129,878.92/1,559,263.35 = 664,765.26/x
  3. Step 3: Cross multiply
    1,129,878.92x = 1,559,263.35 × 664,765.26
  4. Step 4: Simplify right side
    1,129,878.92x = 1,036,544,105,840.47
  5. Step 5: Solve for x
    x = 1,036,544,105,840.47/1,129,878.92
  6. Step 6: Final answer
    x = 917,393.97

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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.