Home / 1,501,570.69-2,072,165.70-813,242.14

Finding the Fourth Proportional to 1,501,570.69, 2,072,165.70 and 813,242.14

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Solution

The fourth proportional to 1,501,570.69, 2,072,165.70 and 813,242.14 is: 1,122,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,570.69 : 2,072,165.70 = 813,242.14 : x
  2. Step 2: Convert to fraction form
    1,501,570.69/2,072,165.70 = 813,242.14/x
  3. Step 3: Cross multiply
    1,501,570.69x = 2,072,165.70 × 813,242.14
  4. Step 4: Simplify right side
    1,501,570.69x = 1,685,172,468,302.60
  5. Step 5: Solve for x
    x = 1,685,172,468,302.60/1,501,570.69
  6. Step 6: Final answer
    x = 1,122,273.15

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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.