Home / 1,487,447.16-2,053,665.54-1,142,669.04

Finding the Fourth Proportional to 1,487,447.16, 2,053,665.54 and 1,142,669.04

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Solution

The fourth proportional to 1,487,447.16, 2,053,665.54 and 1,142,669.04 is: 1,577,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,447.16 : 2,053,665.54 = 1,142,669.04 : x
  2. Step 2: Convert to fraction form
    1,487,447.16/2,053,665.54 = 1,142,669.04/x
  3. Step 3: Cross multiply
    1,487,447.16x = 2,053,665.54 × 1,142,669.04
  4. Step 4: Simplify right side
    1,487,447.16x = 2,346,660,031,072.88
  5. Step 5: Solve for x
    x = 2,346,660,031,072.88/1,487,447.16
  6. Step 6: Final answer
    x = 1,577,642.62

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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.