Home / 1,012,187.22-1,515,118.59-675,503.70

Finding the Fourth Proportional to 1,012,187.22, 1,515,118.59 and 675,503.70

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Solution

The fourth proportional to 1,012,187.22, 1,515,118.59 and 675,503.70 is: 1,011,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,187.22 : 1,515,118.59 = 675,503.70 : x
  2. Step 2: Convert to fraction form
    1,012,187.22/1,515,118.59 = 675,503.70/x
  3. Step 3: Cross multiply
    1,012,187.22x = 1,515,118.59 × 675,503.70
  4. Step 4: Simplify right side
    1,012,187.22x = 1,023,468,213,483.78
  5. Step 5: Solve for x
    x = 1,023,468,213,483.78/1,012,187.22
  6. Step 6: Final answer
    x = 1,011,145.16

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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.