Home / 1,580,311.29-2,370,466.76-669,637.20

Finding the Fourth Proportional to 1,580,311.29, 2,370,466.76 and 669,637.20

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Solution

The fourth proportional to 1,580,311.29, 2,370,466.76 and 669,637.20 is: 1,004,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,311.29 : 2,370,466.76 = 669,637.20 : x
  2. Step 2: Convert to fraction form
    1,580,311.29/2,370,466.76 = 669,637.20/x
  3. Step 3: Cross multiply
    1,580,311.29x = 2,370,466.76 × 669,637.20
  4. Step 4: Simplify right side
    1,580,311.29x = 1,587,352,720,511.29
  5. Step 5: Solve for x
    x = 1,587,352,720,511.29/1,580,311.29
  6. Step 6: Final answer
    x = 1,004,455.72

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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.