Home / 1,127,342.76-1,555,731.36-618,077.76

Finding the Fourth Proportional to 1,127,342.76, 1,555,731.36 and 618,077.76

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Solution

The fourth proportional to 1,127,342.76, 1,555,731.36 and 618,077.76 is: 852,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,342.76 : 1,555,731.36 = 618,077.76 : x
  2. Step 2: Convert to fraction form
    1,127,342.76/1,555,731.36 = 618,077.76/x
  3. Step 3: Cross multiply
    1,127,342.76x = 1,555,731.36 × 618,077.76
  4. Step 4: Simplify right side
    1,127,342.76x = 961,562,954,150.55
  5. Step 5: Solve for x
    x = 961,562,954,150.55/1,127,342.76
  6. Step 6: Final answer
    x = 852,946.40

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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.