Home / 1,124,509.76-1,550,209.30-801,659.35

Finding the Fourth Proportional to 1,124,509.76, 1,550,209.30 and 801,659.35

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Solution

The fourth proportional to 1,124,509.76, 1,550,209.30 and 801,659.35 is: 1,105,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,509.76 : 1,550,209.30 = 801,659.35 : x
  2. Step 2: Convert to fraction form
    1,124,509.76/1,550,209.30 = 801,659.35/x
  3. Step 3: Cross multiply
    1,124,509.76x = 1,550,209.30 × 801,659.35
  4. Step 4: Simplify right side
    1,124,509.76x = 1,242,739,779,735.57
  5. Step 5: Solve for x
    x = 1,242,739,779,735.57/1,124,509.76
  6. Step 6: Final answer
    x = 1,105,139.17

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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.