Home / 1,007,301.80-1,390,076.72-548,416.40

Finding the Fourth Proportional to 1,007,301.80, 1,390,076.72 and 548,416.40

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Solution

The fourth proportional to 1,007,301.80, 1,390,076.72 and 548,416.40 is: 756,814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,301.80 : 1,390,076.72 = 548,416.40 : x
  2. Step 2: Convert to fraction form
    1,007,301.80/1,390,076.72 = 548,416.40/x
  3. Step 3: Cross multiply
    1,007,301.80x = 1,390,076.72 × 548,416.40
  4. Step 4: Simplify right side
    1,007,301.80x = 762,340,870,506.21
  5. Step 5: Solve for x
    x = 762,340,870,506.21/1,007,301.80
  6. Step 6: Final answer
    x = 756,814.76

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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.