Home / 1,235,208.13-1,703,233.61-804,689.89

Finding the Fourth Proportional to 1,235,208.13, 1,703,233.61 and 804,689.89

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Solution

The fourth proportional to 1,235,208.13, 1,703,233.61 and 804,689.89 is: 1,109,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,208.13 : 1,703,233.61 = 804,689.89 : x
  2. Step 2: Convert to fraction form
    1,235,208.13/1,703,233.61 = 804,689.89/x
  3. Step 3: Cross multiply
    1,235,208.13x = 1,703,233.61 × 804,689.89
  4. Step 4: Simplify right side
    1,235,208.13x = 1,370,574,861,011.26
  5. Step 5: Solve for x
    x = 1,370,574,861,011.26/1,235,208.13
  6. Step 6: Final answer
    x = 1,109,590.22

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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.