Home / 1,720,263.48-2,578,690.72-807,812.52

Finding the Fourth Proportional to 1,720,263.48, 2,578,690.72 and 807,812.52

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Solution

The fourth proportional to 1,720,263.48, 2,578,690.72 and 807,812.52 is: 1,210,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,263.48 : 2,578,690.72 = 807,812.52 : x
  2. Step 2: Convert to fraction form
    1,720,263.48/2,578,690.72 = 807,812.52/x
  3. Step 3: Cross multiply
    1,720,263.48x = 2,578,690.72 × 807,812.52
  4. Step 4: Simplify right side
    1,720,263.48x = 2,083,098,648,823.81
  5. Step 5: Solve for x
    x = 2,083,098,648,823.81/1,720,263.48
  6. Step 6: Final answer
    x = 1,210,918.37

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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.