Home / 1,232,775.20-1,849,486.80-391,325.60

Finding the Fourth Proportional to 1,232,775.20, 1,849,486.80 and 391,325.60

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Solution

The fourth proportional to 1,232,775.20, 1,849,486.80 and 391,325.60 is: 587,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,775.20 : 1,849,486.80 = 391,325.60 : x
  2. Step 2: Convert to fraction form
    1,232,775.20/1,849,486.80 = 391,325.60/x
  3. Step 3: Cross multiply
    1,232,775.20x = 1,849,486.80 × 391,325.60
  4. Step 4: Simplify right side
    1,232,775.20x = 723,751,531,702.08
  5. Step 5: Solve for x
    x = 723,751,531,702.08/1,232,775.20
  6. Step 6: Final answer
    x = 587,091.25

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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.