Home / 1,023,285-1,412,686.94-615,477.88

Finding the Fourth Proportional to 1,023,285, 1,412,686.94 and 615,477.88

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Solution

The fourth proportional to 1,023,285, 1,412,686.94 and 615,477.88 is: 849,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,285 : 1,412,686.94 = 615,477.88 : x
  2. Step 2: Convert to fraction form
    1,023,285/1,412,686.94 = 615,477.88/x
  3. Step 3: Cross multiply
    1,023,285x = 1,412,686.94 × 615,477.88
  4. Step 4: Simplify right side
    1,023,285x = 869,477,562,934.89
  5. Step 5: Solve for x
    x = 869,477,562,934.89/1,023,285
  6. Step 6: Final answer
    x = 849,692.47

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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.