Home / 1,583,400.80-2,375,101.20-385,313.60

Finding the Fourth Proportional to 1,583,400.80, 2,375,101.20 and 385,313.60

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Solution

The fourth proportional to 1,583,400.80, 2,375,101.20 and 385,313.60 is: 577,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,400.80 : 2,375,101.20 = 385,313.60 : x
  2. Step 2: Convert to fraction form
    1,583,400.80/2,375,101.20 = 385,313.60/x
  3. Step 3: Cross multiply
    1,583,400.80x = 2,375,101.20 × 385,313.60
  4. Step 4: Simplify right side
    1,583,400.80x = 915,158,793,736.32
  5. Step 5: Solve for x
    x = 915,158,793,736.32/1,583,400.80
  6. Step 6: Final answer
    x = 577,970.40

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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.