Home / 1,699,329.30-2,549,000.63-688,470.36

Finding the Fourth Proportional to 1,699,329.30, 2,549,000.63 and 688,470.36

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Solution

The fourth proportional to 1,699,329.30, 2,549,000.63 and 688,470.36 is: 1,032,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,329.30 : 2,549,000.63 = 688,470.36 : x
  2. Step 2: Convert to fraction form
    1,699,329.30/2,549,000.63 = 688,470.36/x
  3. Step 3: Cross multiply
    1,699,329.30x = 2,549,000.63 × 688,470.36
  4. Step 4: Simplify right side
    1,699,329.30x = 1,754,911,381,376.33
  5. Step 5: Solve for x
    x = 1,754,911,381,376.33/1,699,329.30
  6. Step 6: Final answer
    x = 1,032,708.25

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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.