Home / 1,140,504.30-1,573,731.18-631,205.46

Finding the Fourth Proportional to 1,140,504.30, 1,573,731.18 and 631,205.46

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Solution

The fourth proportional to 1,140,504.30, 1,573,731.18 and 631,205.46 is: 870,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,504.30 : 1,573,731.18 = 631,205.46 : x
  2. Step 2: Convert to fraction form
    1,140,504.30/1,573,731.18 = 631,205.46/x
  3. Step 3: Cross multiply
    1,140,504.30x = 1,573,731.18 × 631,205.46
  4. Step 4: Simplify right side
    1,140,504.30x = 993,347,713,388.24
  5. Step 5: Solve for x
    x = 993,347,713,388.24/1,140,504.30
  6. Step 6: Final answer
    x = 870,972.35

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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.