Home / 1,001,003.40-1,381,384.80-548,294.40

Finding the Fourth Proportional to 1,001,003.40, 1,381,384.80 and 548,294.40

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Solution

The fourth proportional to 1,001,003.40, 1,381,384.80 and 548,294.40 is: 756,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,003.40 : 1,381,384.80 = 548,294.40 : x
  2. Step 2: Convert to fraction form
    1,001,003.40/1,381,384.80 = 548,294.40/x
  3. Step 3: Cross multiply
    1,001,003.40x = 1,381,384.80 × 548,294.40
  4. Step 4: Simplify right side
    1,001,003.40x = 757,405,550,085.12
  5. Step 5: Solve for x
    x = 757,405,550,085.12/1,001,003.40
  6. Step 6: Final answer
    x = 756,646.33

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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.