Home / 1,499,960.16-2,069,948.52-820,940.40

Finding the Fourth Proportional to 1,499,960.16, 2,069,948.52 and 820,940.40

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Solution

The fourth proportional to 1,499,960.16, 2,069,948.52 and 820,940.40 is: 1,132,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,960.16 : 2,069,948.52 = 820,940.40 : x
  2. Step 2: Convert to fraction form
    1,499,960.16/2,069,948.52 = 820,940.40/x
  3. Step 3: Cross multiply
    1,499,960.16x = 2,069,948.52 × 820,940.40
  4. Step 4: Simplify right side
    1,499,960.16x = 1,699,304,365,988.21
  5. Step 5: Solve for x
    x = 1,699,304,365,988.21/1,499,960.16
  6. Step 6: Final answer
    x = 1,132,899.67

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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.