Home / 1,309,905.87-1,964,746.24-797,438

Finding the Fourth Proportional to 1,309,905.87, 1,964,746.24 and 797,438

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Solution

The fourth proportional to 1,309,905.87, 1,964,746.24 and 797,438 is: 1,196,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,905.87 : 1,964,746.24 = 797,438 : x
  2. Step 2: Convert to fraction form
    1,309,905.87/1,964,746.24 = 797,438/x
  3. Step 3: Cross multiply
    1,309,905.87x = 1,964,746.24 × 797,438
  4. Step 4: Simplify right side
    1,309,905.87x = 1,566,763,312,133.12
  5. Step 5: Solve for x
    x = 1,566,763,312,133.12/1,309,905.87
  6. Step 6: Final answer
    x = 1,196,088.47

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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.