Home / 1,049,857.80-1,572,418.70-487,709.32

Finding the Fourth Proportional to 1,049,857.80, 1,572,418.70 and 487,709.32

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Solution

The fourth proportional to 1,049,857.80, 1,572,418.70 and 487,709.32 is: 730,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,857.80 : 1,572,418.70 = 487,709.32 : x
  2. Step 2: Convert to fraction form
    1,049,857.80/1,572,418.70 = 487,709.32/x
  3. Step 3: Cross multiply
    1,049,857.80x = 1,572,418.70 × 487,709.32
  4. Step 4: Simplify right side
    1,049,857.80x = 766,883,254,932.28
  5. Step 5: Solve for x
    x = 766,883,254,932.28/1,049,857.80
  6. Step 6: Final answer
    x = 730,463.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.