Home / 1,154,531.20-1,731,796.80-355,741.60

Finding the Fourth Proportional to 1,154,531.20, 1,731,796.80 and 355,741.60

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Solution

The fourth proportional to 1,154,531.20, 1,731,796.80 and 355,741.60 is: 533,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,531.20 : 1,731,796.80 = 355,741.60 : x
  2. Step 2: Convert to fraction form
    1,154,531.20/1,731,796.80 = 355,741.60/x
  3. Step 3: Cross multiply
    1,154,531.20x = 1,731,796.80 × 355,741.60
  4. Step 4: Simplify right side
    1,154,531.20x = 616,072,164,506.88
  5. Step 5: Solve for x
    x = 616,072,164,506.88/1,154,531.20
  6. Step 6: Final answer
    x = 533,612.40

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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.