Home / 1,054,472.40-1,581,708.60-380,657.70

Finding the Fourth Proportional to 1,054,472.40, 1,581,708.60 and 380,657.70

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Solution

The fourth proportional to 1,054,472.40, 1,581,708.60 and 380,657.70 is: 570,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,472.40 : 1,581,708.60 = 380,657.70 : x
  2. Step 2: Convert to fraction form
    1,054,472.40/1,581,708.60 = 380,657.70/x
  3. Step 3: Cross multiply
    1,054,472.40x = 1,581,708.60 × 380,657.70
  4. Step 4: Simplify right side
    1,054,472.40x = 602,089,557,746.22
  5. Step 5: Solve for x
    x = 602,089,557,746.22/1,054,472.40
  6. Step 6: Final answer
    x = 570,986.55

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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.