Home / 1,309,248.47-1,806,734.52-757,987.40

Finding the Fourth Proportional to 1,309,248.47, 1,806,734.52 and 757,987.40

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Solution

The fourth proportional to 1,309,248.47, 1,806,734.52 and 757,987.40 is: 1,046,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,248.47 : 1,806,734.52 = 757,987.40 : x
  2. Step 2: Convert to fraction form
    1,309,248.47/1,806,734.52 = 757,987.40/x
  3. Step 3: Cross multiply
    1,309,248.47x = 1,806,734.52 × 757,987.40
  4. Step 4: Simplify right side
    1,309,248.47x = 1,369,481,992,271.38
  5. Step 5: Solve for x
    x = 1,369,481,992,271.38/1,309,248.47
  6. Step 6: Final answer
    x = 1,046,006.19

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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.