Home / 1,384,189.12-2,075,559.54-625,377.88

Finding the Fourth Proportional to 1,384,189.12, 2,075,559.54 and 625,377.88

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Solution

The fourth proportional to 1,384,189.12, 2,075,559.54 and 625,377.88 is: 937,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,189.12 : 2,075,559.54 = 625,377.88 : x
  2. Step 2: Convert to fraction form
    1,384,189.12/2,075,559.54 = 625,377.88/x
  3. Step 3: Cross multiply
    1,384,189.12x = 2,075,559.54 × 625,377.88
  4. Step 4: Simplify right side
    1,384,189.12x = 1,298,009,024,938.98
  5. Step 5: Solve for x
    x = 1,298,009,024,938.98/1,384,189.12
  6. Step 6: Final answer
    x = 937,739.65

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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.