Home / 1,544,318.40-2,315,397.60-912,907.20

Finding the Fourth Proportional to 1,544,318.40, 2,315,397.60 and 912,907.20

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Solution

The fourth proportional to 1,544,318.40, 2,315,397.60 and 912,907.20 is: 1,368,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,318.40 : 2,315,397.60 = 912,907.20 : x
  2. Step 2: Convert to fraction form
    1,544,318.40/2,315,397.60 = 912,907.20/x
  3. Step 3: Cross multiply
    1,544,318.40x = 2,315,397.60 × 912,907.20
  4. Step 4: Simplify right side
    1,544,318.40x = 2,113,743,139,902.72
  5. Step 5: Solve for x
    x = 2,113,743,139,902.72/1,544,318.40
  6. Step 6: Final answer
    x = 1,368,722.37

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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.