Home / 1,639,802.64-2,262,912.63-904,763.69

Finding the Fourth Proportional to 1,639,802.64, 2,262,912.63 and 904,763.69

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Solution

The fourth proportional to 1,639,802.64, 2,262,912.63 and 904,763.69 is: 1,248,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,802.64 : 2,262,912.63 = 904,763.69 : x
  2. Step 2: Convert to fraction form
    1,639,802.64/2,262,912.63 = 904,763.69/x
  3. Step 3: Cross multiply
    1,639,802.64x = 2,262,912.63 × 904,763.69
  4. Step 4: Simplify right side
    1,639,802.64x = 2,047,401,180,134.20
  5. Step 5: Solve for x
    x = 2,047,401,180,134.20/1,639,802.64
  6. Step 6: Final answer
    x = 1,248,565.61

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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.