Home / 1,699,281.02-2,548,928.10-688,422.08

Finding the Fourth Proportional to 1,699,281.02, 2,548,928.10 and 688,422.08

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Solution

The fourth proportional to 1,699,281.02, 2,548,928.10 and 688,422.08 is: 1,032,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,281.02 : 2,548,928.10 = 688,422.08 : x
  2. Step 2: Convert to fraction form
    1,699,281.02/2,548,928.10 = 688,422.08/x
  3. Step 3: Cross multiply
    1,699,281.02x = 2,548,928.10 × 688,422.08
  4. Step 4: Simplify right side
    1,699,281.02x = 1,754,738,384,372.45
  5. Step 5: Solve for x
    x = 1,754,738,384,372.45/1,699,281.02
  6. Step 6: Final answer
    x = 1,032,635.78

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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.