Home / 1,001,036-1,381,430.40-548,328.80

Finding the Fourth Proportional to 1,001,036, 1,381,430.40 and 548,328.80

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Solution

The fourth proportional to 1,001,036, 1,381,430.40 and 548,328.80 is: 756,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,036 : 1,381,430.40 = 548,328.80 : x
  2. Step 2: Convert to fraction form
    1,001,036/1,381,430.40 = 548,328.80/x
  3. Step 3: Cross multiply
    1,001,036x = 1,381,430.40 × 548,328.80
  4. Step 4: Simplify right side
    1,001,036x = 757,478,073,515.52
  5. Step 5: Solve for x
    x = 757,478,073,515.52/1,001,036
  6. Step 6: Final answer
    x = 756,694.14

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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.