Home / 1,101,174.80-1,518,744.65-909,856.04

Finding the Fourth Proportional to 1,101,174.80, 1,518,744.65 and 909,856.04

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Solution

The fourth proportional to 1,101,174.80, 1,518,744.65 and 909,856.04 is: 1,254,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,174.80 : 1,518,744.65 = 909,856.04 : x
  2. Step 2: Convert to fraction form
    1,101,174.80/1,518,744.65 = 909,856.04/x
  3. Step 3: Cross multiply
    1,101,174.80x = 1,518,744.65 × 909,856.04
  4. Step 4: Simplify right side
    1,101,174.80x = 1,381,838,980,877.18
  5. Step 5: Solve for x
    x = 1,381,838,980,877.18/1,101,174.80
  6. Step 6: Final answer
    x = 1,254,877.05

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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.