Home / 1,450,135.06-2,001,130.75-805,595.78

Finding the Fourth Proportional to 1,450,135.06, 2,001,130.75 and 805,595.78

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Solution

The fourth proportional to 1,450,135.06, 2,001,130.75 and 805,595.78 is: 1,111,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,135.06 : 2,001,130.75 = 805,595.78 : x
  2. Step 2: Convert to fraction form
    1,450,135.06/2,001,130.75 = 805,595.78/x
  3. Step 3: Cross multiply
    1,450,135.06x = 2,001,130.75 × 805,595.78
  4. Step 4: Simplify right side
    1,450,135.06x = 1,612,102,487,428.24
  5. Step 5: Solve for x
    x = 1,612,102,487,428.24/1,450,135.06
  6. Step 6: Final answer
    x = 1,111,691.27

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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.