Home / 1,232,149.20-1,848,547.80-390,699.60

Finding the Fourth Proportional to 1,232,149.20, 1,848,547.80 and 390,699.60

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Solution

The fourth proportional to 1,232,149.20, 1,848,547.80 and 390,699.60 is: 586,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,149.20 : 1,848,547.80 = 390,699.60 : x
  2. Step 2: Convert to fraction form
    1,232,149.20/1,848,547.80 = 390,699.60/x
  3. Step 3: Cross multiply
    1,232,149.20x = 1,848,547.80 × 390,699.60
  4. Step 4: Simplify right side
    1,232,149.20x = 722,226,886,040.88
  5. Step 5: Solve for x
    x = 722,226,886,040.88/1,232,149.20
  6. Step 6: Final answer
    x = 586,152.14

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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.