Home / 1,448,903.40-2,175,428.70-819,047.40

Finding the Fourth Proportional to 1,448,903.40, 2,175,428.70 and 819,047.40

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Solution

The fourth proportional to 1,448,903.40, 2,175,428.70 and 819,047.40 is: 1,229,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,903.40 : 2,175,428.70 = 819,047.40 : x
  2. Step 2: Convert to fraction form
    1,448,903.40/2,175,428.70 = 819,047.40/x
  3. Step 3: Cross multiply
    1,448,903.40x = 2,175,428.70 × 819,047.40
  4. Step 4: Simplify right side
    1,448,903.40x = 1,781,779,220,620.38
  5. Step 5: Solve for x
    x = 1,781,779,220,620.38/1,448,903.40
  6. Step 6: Final answer
    x = 1,229,743.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.