Home / 1,698,980.30-2,344,182.68-1,001,289.80

Finding the Fourth Proportional to 1,698,980.30, 2,344,182.68 and 1,001,289.80

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Solution

The fourth proportional to 1,698,980.30, 2,344,182.68 and 1,001,289.80 is: 1,381,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,980.30 : 2,344,182.68 = 1,001,289.80 : x
  2. Step 2: Convert to fraction form
    1,698,980.30/2,344,182.68 = 1,001,289.80/x
  3. Step 3: Cross multiply
    1,698,980.30x = 2,344,182.68 × 1,001,289.80
  4. Step 4: Simplify right side
    1,698,980.30x = 2,347,206,206,820.66
  5. Step 5: Solve for x
    x = 2,347,206,206,820.66/1,698,980.30
  6. Step 6: Final answer
    x = 1,381,538.21

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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.