Home / 1,072,505.20-1,608,973.80-314,345.20

Finding the Fourth Proportional to 1,072,505.20, 1,608,973.80 and 314,345.20

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Solution

The fourth proportional to 1,072,505.20, 1,608,973.80 and 314,345.20 is: 471,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,505.20 : 1,608,973.80 = 314,345.20 : x
  2. Step 2: Convert to fraction form
    1,072,505.20/1,608,973.80 = 314,345.20/x
  3. Step 3: Cross multiply
    1,072,505.20x = 1,608,973.80 × 314,345.20
  4. Step 4: Simplify right side
    1,072,505.20x = 505,773,190,955.76
  5. Step 5: Solve for x
    x = 505,773,190,955.76/1,072,505.20
  6. Step 6: Final answer
    x = 471,581.11

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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.