Home / 1,271,285.04-1,754,386.29-690,519.54

Finding the Fourth Proportional to 1,271,285.04, 1,754,386.29 and 690,519.54

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Solution

The fourth proportional to 1,271,285.04, 1,754,386.29 and 690,519.54 is: 952,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,285.04 : 1,754,386.29 = 690,519.54 : x
  2. Step 2: Convert to fraction form
    1,271,285.04/1,754,386.29 = 690,519.54/x
  3. Step 3: Cross multiply
    1,271,285.04x = 1,754,386.29 × 690,519.54
  4. Step 4: Simplify right side
    1,271,285.04x = 1,211,438,013,953.11
  5. Step 5: Solve for x
    x = 1,211,438,013,953.11/1,271,285.04
  6. Step 6: Final answer
    x = 952,923.99

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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.