Home / 1,432,903.20-1,977,327.84-788,218.56

Finding the Fourth Proportional to 1,432,903.20, 1,977,327.84 and 788,218.56

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Solution

The fourth proportional to 1,432,903.20, 1,977,327.84 and 788,218.56 is: 1,087,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,903.20 : 1,977,327.84 = 788,218.56 : x
  2. Step 2: Convert to fraction form
    1,432,903.20/1,977,327.84 = 788,218.56/x
  3. Step 3: Cross multiply
    1,432,903.20x = 1,977,327.84 × 788,218.56
  4. Step 4: Simplify right side
    1,432,903.20x = 1,558,566,502,692.71
  5. Step 5: Solve for x
    x = 1,558,566,502,692.71/1,432,903.20
  6. Step 6: Final answer
    x = 1,087,698.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.