Home / 1,501,970.92-2,072,724.48-813,649.84

Finding the Fourth Proportional to 1,501,970.92, 2,072,724.48 and 813,649.84

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Solution

The fourth proportional to 1,501,970.92, 2,072,724.48 and 813,649.84 is: 1,122,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,970.92 : 2,072,724.48 = 813,649.84 : x
  2. Step 2: Convert to fraction form
    1,501,970.92/2,072,724.48 = 813,649.84/x
  3. Step 3: Cross multiply
    1,501,970.92x = 2,072,724.48 × 813,649.84
  4. Step 4: Simplify right side
    1,501,970.92x = 1,686,471,941,516.08
  5. Step 5: Solve for x
    x = 1,686,471,941,516.08/1,501,970.92
  6. Step 6: Final answer
    x = 1,122,839.28

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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.