Home / 1,127,245.15-1,555,696.72-618,045.94

Finding the Fourth Proportional to 1,127,245.15, 1,555,696.72 and 618,045.94

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Solution

The fourth proportional to 1,127,245.15, 1,555,696.72 and 618,045.94 is: 852,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,245.15 : 1,555,696.72 = 618,045.94 : x
  2. Step 2: Convert to fraction form
    1,127,245.15/1,555,696.72 = 618,045.94/x
  3. Step 3: Cross multiply
    1,127,245.15x = 1,555,696.72 × 618,045.94
  4. Step 4: Simplify right side
    1,127,245.15x = 961,492,039,140.00
  5. Step 5: Solve for x
    x = 961,492,039,140.00/1,127,245.15
  6. Step 6: Final answer
    x = 852,957.35

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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.