Home / 1,127,336.76-1,555,723.08-618,071.76

Finding the Fourth Proportional to 1,127,336.76, 1,555,723.08 and 618,071.76

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Solution

The fourth proportional to 1,127,336.76, 1,555,723.08 and 618,071.76 is: 852,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,336.76 : 1,555,723.08 = 618,071.76 : x
  2. Step 2: Convert to fraction form
    1,127,336.76/1,555,723.08 = 618,071.76/x
  3. Step 3: Cross multiply
    1,127,336.76x = 1,555,723.08 × 618,071.76
  4. Step 4: Simplify right side
    1,127,336.76x = 961,548,502,128.22
  5. Step 5: Solve for x
    x = 961,548,502,128.22/1,127,336.76
  6. Step 6: Final answer
    x = 852,938.12

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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.