Home / 1,868,652.60-2,802,979.80-520,850.07

Finding the Fourth Proportional to 1,868,652.60, 2,802,979.80 and 520,850.07

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Solution

The fourth proportional to 1,868,652.60, 2,802,979.80 and 520,850.07 is: 781,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,652.60 : 2,802,979.80 = 520,850.07 : x
  2. Step 2: Convert to fraction form
    1,868,652.60/2,802,979.80 = 520,850.07/x
  3. Step 3: Cross multiply
    1,868,652.60x = 2,802,979.80 × 520,850.07
  4. Step 4: Simplify right side
    1,868,652.60x = 1,459,932,225,038.59
  5. Step 5: Solve for x
    x = 1,459,932,225,038.59/1,868,652.60
  6. Step 6: Final answer
    x = 781,275.36

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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.