Home / 1,648,605.78-2,275,148.58-913,558.07

Finding the Fourth Proportional to 1,648,605.78, 2,275,148.58 and 913,558.07

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Solution

The fourth proportional to 1,648,605.78, 2,275,148.58 and 913,558.07 is: 1,260,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,605.78 : 2,275,148.58 = 913,558.07 : x
  2. Step 2: Convert to fraction form
    1,648,605.78/2,275,148.58 = 913,558.07/x
  3. Step 3: Cross multiply
    1,648,605.78x = 2,275,148.58 × 913,558.07
  4. Step 4: Simplify right side
    1,648,605.78x = 2,078,480,334,332.30
  5. Step 5: Solve for x
    x = 2,078,480,334,332.30/1,648,605.78
  6. Step 6: Final answer
    x = 1,260,750.36

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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.