Home / 1,306,643.10-1,798,996.42-1,114,886.94

Finding the Fourth Proportional to 1,306,643.10, 1,798,996.42 and 1,114,886.94

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Solution

The fourth proportional to 1,306,643.10, 1,798,996.42 and 1,114,886.94 is: 1,534,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,643.10 : 1,798,996.42 = 1,114,886.94 : x
  2. Step 2: Convert to fraction form
    1,306,643.10/1,798,996.42 = 1,114,886.94/x
  3. Step 3: Cross multiply
    1,306,643.10x = 1,798,996.42 × 1,114,886.94
  4. Step 4: Simplify right side
    1,306,643.10x = 2,005,677,613,764.75
  5. Step 5: Solve for x
    x = 2,005,677,613,764.75/1,306,643.10
  6. Step 6: Final answer
    x = 1,534,985.04

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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.