Home / 1,853,807.20-2,780,710.80-788,495.20

Finding the Fourth Proportional to 1,853,807.20, 2,780,710.80 and 788,495.20

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Solution

The fourth proportional to 1,853,807.20, 2,780,710.80 and 788,495.20 is: 1,182,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,807.20 : 2,780,710.80 = 788,495.20 : x
  2. Step 2: Convert to fraction form
    1,853,807.20/2,780,710.80 = 788,495.20/x
  3. Step 3: Cross multiply
    1,853,807.20x = 2,780,710.80 × 788,495.20
  4. Step 4: Simplify right side
    1,853,807.20x = 2,192,577,118,388.16
  5. Step 5: Solve for x
    x = 2,192,577,118,388.16/1,853,807.20
  6. Step 6: Final answer
    x = 1,182,742.80

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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.