Home / 1,442,484-1,980,203.97-1,238,180.22

Finding the Fourth Proportional to 1,442,484, 1,980,203.97 and 1,238,180.22

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Solution

The fourth proportional to 1,442,484, 1,980,203.97 and 1,238,180.22 is: 1,699,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,484 : 1,980,203.97 = 1,238,180.22 : x
  2. Step 2: Convert to fraction form
    1,442,484/1,980,203.97 = 1,238,180.22/x
  3. Step 3: Cross multiply
    1,442,484x = 1,980,203.97 × 1,238,180.22
  4. Step 4: Simplify right side
    1,442,484x = 2,451,849,387,219.47
  5. Step 5: Solve for x
    x = 2,451,849,387,219.47/1,442,484
  6. Step 6: Final answer
    x = 1,699,741.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.