Home / 1,008,110.10-1,512,165.15-724,674.90

Finding the Fourth Proportional to 1,008,110.10, 1,512,165.15 and 724,674.90

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Solution

The fourth proportional to 1,008,110.10, 1,512,165.15 and 724,674.90 is: 1,087,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,110.10 : 1,512,165.15 = 724,674.90 : x
  2. Step 2: Convert to fraction form
    1,008,110.10/1,512,165.15 = 724,674.90/x
  3. Step 3: Cross multiply
    1,008,110.10x = 1,512,165.15 × 724,674.90
  4. Step 4: Simplify right side
    1,008,110.10x = 1,095,828,128,859.74
  5. Step 5: Solve for x
    x = 1,095,828,128,859.74/1,008,110.10
  6. Step 6: Final answer
    x = 1,087,012.35

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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.