Home / 1,367,151.95-1,886,612.21-786,331.23

Finding the Fourth Proportional to 1,367,151.95, 1,886,612.21 and 786,331.23

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Solution

The fourth proportional to 1,367,151.95, 1,886,612.21 and 786,331.23 is: 1,085,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,151.95 : 1,886,612.21 = 786,331.23 : x
  2. Step 2: Convert to fraction form
    1,367,151.95/1,886,612.21 = 786,331.23/x
  3. Step 3: Cross multiply
    1,367,151.95x = 1,886,612.21 × 786,331.23
  4. Step 4: Simplify right side
    1,367,151.95x = 1,483,502,091,564.61
  5. Step 5: Solve for x
    x = 1,483,502,091,564.61/1,367,151.95
  6. Step 6: Final answer
    x = 1,085,104.03

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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.