Home / 1,225,271.31-1,690,626.24-715,875.27

Finding the Fourth Proportional to 1,225,271.31, 1,690,626.24 and 715,875.27

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Solution

The fourth proportional to 1,225,271.31, 1,690,626.24 and 715,875.27 is: 987,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,271.31 : 1,690,626.24 = 715,875.27 : x
  2. Step 2: Convert to fraction form
    1,225,271.31/1,690,626.24 = 715,875.27/x
  3. Step 3: Cross multiply
    1,225,271.31x = 1,690,626.24 × 715,875.27
  4. Step 4: Simplify right side
    1,225,271.31x = 1,210,277,516,029.08
  5. Step 5: Solve for x
    x = 1,210,277,516,029.08/1,225,271.31
  6. Step 6: Final answer
    x = 987,762.88

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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.