Home / 1,852,656.60-2,779,244.10-787,690.20

Finding the Fourth Proportional to 1,852,656.60, 2,779,244.10 and 787,690.20

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Solution

The fourth proportional to 1,852,656.60, 2,779,244.10 and 787,690.20 is: 1,181,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,656.60 : 2,779,244.10 = 787,690.20 : x
  2. Step 2: Convert to fraction form
    1,852,656.60/2,779,244.10 = 787,690.20/x
  3. Step 3: Cross multiply
    1,852,656.60x = 2,779,244.10 × 787,690.20
  4. Step 4: Simplify right side
    1,852,656.60x = 2,189,183,340,977.82
  5. Step 5: Solve for x
    x = 2,189,183,340,977.82/1,852,656.60
  6. Step 6: Final answer
    x = 1,181,645.50

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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.