Home / 912,110.70-1,368,166.05-744,149.10

Finding the Fourth Proportional to 912,110.70, 1,368,166.05 and 744,149.10

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Solution

The fourth proportional to 912,110.70, 1,368,166.05 and 744,149.10 is: 1,116,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,110.70 : 1,368,166.05 = 744,149.10 : x
  2. Step 2: Convert to fraction form
    912,110.70/1,368,166.05 = 744,149.10/x
  3. Step 3: Cross multiply
    912,110.70x = 1,368,166.05 × 744,149.10
  4. Step 4: Simplify right side
    912,110.70x = 1,018,119,534,758.06
  5. Step 5: Solve for x
    x = 1,018,119,534,758.06/912,110.70
  6. Step 6: Final answer
    x = 1,116,223.65

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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.