Home / 1,853,722.60-2,778,510.30-788,583.40

Finding the Fourth Proportional to 1,853,722.60, 2,778,510.30 and 788,583.40

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Solution

The fourth proportional to 1,853,722.60, 2,778,510.30 and 788,583.40 is: 1,181,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,722.60 : 2,778,510.30 = 788,583.40 : x
  2. Step 2: Convert to fraction form
    1,853,722.60/2,778,510.30 = 788,583.40/x
  3. Step 3: Cross multiply
    1,853,722.60x = 2,778,510.30 × 788,583.40
  4. Step 4: Simplify right side
    1,853,722.60x = 2,191,087,099,309.02
  5. Step 5: Solve for x
    x = 2,191,087,099,309.02/1,853,722.60
  6. Step 6: Final answer
    x = 1,181,992.98

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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.