Home / 912,115.80-1,361,494.08-804,381.48

Finding the Fourth Proportional to 912,115.80, 1,361,494.08 and 804,381.48

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Solution

The fourth proportional to 912,115.80, 1,361,494.08 and 804,381.48 is: 1,200,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,115.80 : 1,361,494.08 = 804,381.48 : x
  2. Step 2: Convert to fraction form
    912,115.80/1,361,494.08 = 804,381.48/x
  3. Step 3: Cross multiply
    912,115.80x = 1,361,494.08 × 804,381.48
  4. Step 4: Simplify right side
    912,115.80x = 1,095,160,623,081.64
  5. Step 5: Solve for x
    x = 1,095,160,623,081.64/912,115.80
  6. Step 6: Final answer
    x = 1,200,681.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.