Home / 1,721,028.12-2,580,660.90-1,011,269.40

Finding the Fourth Proportional to 1,721,028.12, 2,580,660.90 and 1,011,269.40

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Solution

The fourth proportional to 1,721,028.12, 2,580,660.90 and 1,011,269.40 is: 1,516,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,028.12 : 2,580,660.90 = 1,011,269.40 : x
  2. Step 2: Convert to fraction form
    1,721,028.12/2,580,660.90 = 1,011,269.40/x
  3. Step 3: Cross multiply
    1,721,028.12x = 2,580,660.90 × 1,011,269.40
  4. Step 4: Simplify right side
    1,721,028.12x = 2,609,743,399,946.46
  5. Step 5: Solve for x
    x = 2,609,743,399,946.46/1,721,028.12
  6. Step 6: Final answer
    x = 1,516,386.26

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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.