Home / 1,056,866.88-1,585,352.32-425,695.36

Finding the Fourth Proportional to 1,056,866.88, 1,585,352.32 and 425,695.36

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Solution

The fourth proportional to 1,056,866.88, 1,585,352.32 and 425,695.36 is: 638,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,866.88 : 1,585,352.32 = 425,695.36 : x
  2. Step 2: Convert to fraction form
    1,056,866.88/1,585,352.32 = 425,695.36/x
  3. Step 3: Cross multiply
    1,056,866.88x = 1,585,352.32 × 425,695.36
  4. Step 4: Simplify right side
    1,056,866.88x = 674,877,126,589.24
  5. Step 5: Solve for x
    x = 674,877,126,589.24/1,056,866.88
  6. Step 6: Final answer
    x = 638,563.99

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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.