Home / 1,120,303.91-1,546,012.33-636,869.18

Finding the Fourth Proportional to 1,120,303.91, 1,546,012.33 and 636,869.18

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Solution

The fourth proportional to 1,120,303.91, 1,546,012.33 and 636,869.18 is: 878,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,303.91 : 1,546,012.33 = 636,869.18 : x
  2. Step 2: Convert to fraction form
    1,120,303.91/1,546,012.33 = 636,869.18/x
  3. Step 3: Cross multiply
    1,120,303.91x = 1,546,012.33 × 636,869.18
  4. Step 4: Simplify right side
    1,120,303.91x = 984,607,607,149.85
  5. Step 5: Solve for x
    x = 984,607,607,149.85/1,120,303.91
  6. Step 6: Final answer
    x = 878,875.45

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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.