Home / 1,672,959.54-2,308,698.24-909,013.12

Finding the Fourth Proportional to 1,672,959.54, 2,308,698.24 and 909,013.12

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Solution

The fourth proportional to 1,672,959.54, 2,308,698.24 and 909,013.12 is: 1,254,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,959.54 : 2,308,698.24 = 909,013.12 : x
  2. Step 2: Convert to fraction form
    1,672,959.54/2,308,698.24 = 909,013.12/x
  3. Step 3: Cross multiply
    1,672,959.54x = 2,308,698.24 × 909,013.12
  4. Step 4: Simplify right side
    1,672,959.54x = 2,098,636,990,280.91
  5. Step 5: Solve for x
    x = 2,098,636,990,280.91/1,672,959.54
  6. Step 6: Final answer
    x = 1,254,445.75

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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.