Home / 1,248,946.72-1,723,588.20-765,418.46

Finding the Fourth Proportional to 1,248,946.72, 1,723,588.20 and 765,418.46

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Solution

The fourth proportional to 1,248,946.72, 1,723,588.20 and 765,418.46 is: 1,056,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,946.72 : 1,723,588.20 = 765,418.46 : x
  2. Step 2: Convert to fraction form
    1,248,946.72/1,723,588.20 = 765,418.46/x
  3. Step 3: Cross multiply
    1,248,946.72x = 1,723,588.20 × 765,418.46
  4. Step 4: Simplify right side
    1,248,946.72x = 1,319,266,225,718.17
  5. Step 5: Solve for x
    x = 1,319,266,225,718.17/1,248,946.72
  6. Step 6: Final answer
    x = 1,056,303.05

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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.