Home / 1,699,280.52-2,548,927.35-688,421.58

Finding the Fourth Proportional to 1,699,280.52, 2,548,927.35 and 688,421.58

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Solution

The fourth proportional to 1,699,280.52, 2,548,927.35 and 688,421.58 is: 1,032,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,280.52 : 2,548,927.35 = 688,421.58 : x
  2. Step 2: Convert to fraction form
    1,699,280.52/2,548,927.35 = 688,421.58/x
  3. Step 3: Cross multiply
    1,699,280.52x = 2,548,927.35 × 688,421.58
  4. Step 4: Simplify right side
    1,699,280.52x = 1,754,736,593,592.21
  5. Step 5: Solve for x
    x = 1,754,736,593,592.21/1,699,280.52
  6. Step 6: Final answer
    x = 1,032,635.03

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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.