Home / 1,728,017.60-2,592,026.40-1,298,782.40

Finding the Fourth Proportional to 1,728,017.60, 2,592,026.40 and 1,298,782.40

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Solution

The fourth proportional to 1,728,017.60, 2,592,026.40 and 1,298,782.40 is: 1,948,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,017.60 : 2,592,026.40 = 1,298,782.40 : x
  2. Step 2: Convert to fraction form
    1,728,017.60/2,592,026.40 = 1,298,782.40/x
  3. Step 3: Cross multiply
    1,728,017.60x = 2,592,026.40 × 1,298,782.40
  4. Step 4: Simplify right side
    1,728,017.60x = 3,366,478,268,655.36
  5. Step 5: Solve for x
    x = 3,366,478,268,655.36/1,728,017.60
  6. Step 6: Final answer
    x = 1,948,173.60

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Similar ratio
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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.