Home / 1,229,547.80-1,842,353.40-808,331.60

Finding the Fourth Proportional to 1,229,547.80, 1,842,353.40 and 808,331.60

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Solution

The fourth proportional to 1,229,547.80, 1,842,353.40 and 808,331.60 is: 1,211,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,547.80 : 1,842,353.40 = 808,331.60 : x
  2. Step 2: Convert to fraction form
    1,229,547.80/1,842,353.40 = 808,331.60/x
  3. Step 3: Cross multiply
    1,229,547.80x = 1,842,353.40 × 808,331.60
  4. Step 4: Simplify right side
    1,229,547.80x = 1,489,232,471,587.44
  5. Step 5: Solve for x
    x = 1,489,232,471,587.44/1,229,547.80
  6. Step 6: Final answer
    x = 1,211,203.40

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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.