Home / 1,232,214.40-1,848,465.60-390,851.20

Finding the Fourth Proportional to 1,232,214.40, 1,848,465.60 and 390,851.20

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Solution

The fourth proportional to 1,232,214.40, 1,848,465.60 and 390,851.20 is: 586,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,214.40 : 1,848,465.60 = 390,851.20 : x
  2. Step 2: Convert to fraction form
    1,232,214.40/1,848,465.60 = 390,851.20/x
  3. Step 3: Cross multiply
    1,232,214.40x = 1,848,465.60 × 390,851.20
  4. Step 4: Simplify right side
    1,232,214.40x = 722,474,997,918.72
  5. Step 5: Solve for x
    x = 722,474,997,918.72/1,232,214.40
  6. Step 6: Final answer
    x = 586,322.48

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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.