Home / 907,816.80-1,359,392.40-669,871.20

Finding the Fourth Proportional to 907,816.80, 1,359,392.40 and 669,871.20

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Solution

The fourth proportional to 907,816.80, 1,359,392.40 and 669,871.20 is: 1,003,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,816.80 : 1,359,392.40 = 669,871.20 : x
  2. Step 2: Convert to fraction form
    907,816.80/1,359,392.40 = 669,871.20/x
  3. Step 3: Cross multiply
    907,816.80x = 1,359,392.40 × 669,871.20
  4. Step 4: Simplify right side
    907,816.80x = 910,617,818,258.88
  5. Step 5: Solve for x
    x = 910,617,818,258.88/907,816.80
  6. Step 6: Final answer
    x = 1,003,085.44

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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.