Home / 1,421,686.69-2,132,530.03-569,142.15

Finding the Fourth Proportional to 1,421,686.69, 2,132,530.03 and 569,142.15

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Solution

The fourth proportional to 1,421,686.69, 2,132,530.03 and 569,142.15 is: 853,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,686.69 : 2,132,530.03 = 569,142.15 : x
  2. Step 2: Convert to fraction form
    1,421,686.69/2,132,530.03 = 569,142.15/x
  3. Step 3: Cross multiply
    1,421,686.69x = 2,132,530.03 × 569,142.15
  4. Step 4: Simplify right side
    1,421,686.69x = 1,213,712,718,928.20
  5. Step 5: Solve for x
    x = 1,213,712,718,928.20/1,421,686.69
  6. Step 6: Final answer
    x = 853,713.22

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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.