Home / 1,330,921.13-1,996,547.13-521,200.98

Finding the Fourth Proportional to 1,330,921.13, 1,996,547.13 and 521,200.98

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Solution

The fourth proportional to 1,330,921.13, 1,996,547.13 and 521,200.98 is: 781,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,921.13 : 1,996,547.13 = 521,200.98 : x
  2. Step 2: Convert to fraction form
    1,330,921.13/1,996,547.13 = 521,200.98/x
  3. Step 3: Cross multiply
    1,330,921.13x = 1,996,547.13 × 521,200.98
  4. Step 4: Simplify right side
    1,330,921.13x = 1,040,602,320,772.19
  5. Step 5: Solve for x
    x = 1,040,602,320,772.19/1,330,921.13
  6. Step 6: Final answer
    x = 781,866.26

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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.