Home / 1,013,943.80-1,397,751.71-771,804.62

Finding the Fourth Proportional to 1,013,943.80, 1,397,751.71 and 771,804.62

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Solution

The fourth proportional to 1,013,943.80, 1,397,751.71 and 771,804.62 is: 1,063,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,943.80 : 1,397,751.71 = 771,804.62 : x
  2. Step 2: Convert to fraction form
    1,013,943.80/1,397,751.71 = 771,804.62/x
  3. Step 3: Cross multiply
    1,013,943.80x = 1,397,751.71 × 771,804.62
  4. Step 4: Simplify right side
    1,013,943.80x = 1,078,791,227,026.26
  5. Step 5: Solve for x
    x = 1,078,791,227,026.26/1,013,943.80
  6. Step 6: Final answer
    x = 1,063,955.65

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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.