Home / 907,821.30-1,359,399.15-669,875.70

Finding the Fourth Proportional to 907,821.30, 1,359,399.15 and 669,875.70

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Solution

The fourth proportional to 907,821.30, 1,359,399.15 and 669,875.70 is: 1,003,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,821.30 : 1,359,399.15 = 669,875.70 : x
  2. Step 2: Convert to fraction form
    907,821.30/1,359,399.15 = 669,875.70/x
  3. Step 3: Cross multiply
    907,821.30x = 1,359,399.15 × 669,875.70
  4. Step 4: Simplify right side
    907,821.30x = 910,628,457,185.66
  5. Step 5: Solve for x
    x = 910,628,457,185.66/907,821.30
  6. Step 6: Final answer
    x = 1,003,092.19

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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.