Home / 1,077,885.48-1,487,587.14-805,480.41

Finding the Fourth Proportional to 1,077,885.48, 1,487,587.14 and 805,480.41

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Solution

The fourth proportional to 1,077,885.48, 1,487,587.14 and 805,480.41 is: 1,111,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,885.48 : 1,487,587.14 = 805,480.41 : x
  2. Step 2: Convert to fraction form
    1,077,885.48/1,487,587.14 = 805,480.41/x
  3. Step 3: Cross multiply
    1,077,885.48x = 1,487,587.14 × 805,480.41
  4. Step 4: Simplify right side
    1,077,885.48x = 1,198,222,299,437.93
  5. Step 5: Solve for x
    x = 1,198,222,299,437.93/1,077,885.48
  6. Step 6: Final answer
    x = 1,111,641.56

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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.