Home / 1,343,205.74-1,853,657.16-731,392.04

Finding the Fourth Proportional to 1,343,205.74, 1,853,657.16 and 731,392.04

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Solution

The fourth proportional to 1,343,205.74, 1,853,657.16 and 731,392.04 is: 1,009,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,205.74 : 1,853,657.16 = 731,392.04 : x
  2. Step 2: Convert to fraction form
    1,343,205.74/1,853,657.16 = 731,392.04/x
  3. Step 3: Cross multiply
    1,343,205.74x = 1,853,657.16 × 731,392.04
  4. Step 4: Simplify right side
    1,343,205.74x = 1,355,750,082,444.72
  5. Step 5: Solve for x
    x = 1,355,750,082,444.72/1,343,205.74
  6. Step 6: Final answer
    x = 1,009,339.11

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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.