Home / 1,450,154.80-2,001,145.71-805,614.31

Finding the Fourth Proportional to 1,450,154.80, 2,001,145.71 and 805,614.31

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Solution

The fourth proportional to 1,450,154.80, 2,001,145.71 and 805,614.31 is: 1,111,710.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,154.80 : 2,001,145.71 = 805,614.31 : x
  2. Step 2: Convert to fraction form
    1,450,154.80/2,001,145.71 = 805,614.31/x
  3. Step 3: Cross multiply
    1,450,154.80x = 2,001,145.71 × 805,614.31
  4. Step 4: Simplify right side
    1,450,154.80x = 1,612,151,620,371.11
  5. Step 5: Solve for x
    x = 1,612,151,620,371.11/1,450,154.80
  6. Step 6: Final answer
    x = 1,111,710.02

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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.