Home / 1,285,332.81-1,773,948.09-741,362.32

Finding the Fourth Proportional to 1,285,332.81, 1,773,948.09 and 741,362.32

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Solution

The fourth proportional to 1,285,332.81, 1,773,948.09 and 741,362.32 is: 1,023,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,332.81 : 1,773,948.09 = 741,362.32 : x
  2. Step 2: Convert to fraction form
    1,285,332.81/1,773,948.09 = 741,362.32/x
  3. Step 3: Cross multiply
    1,285,332.81x = 1,773,948.09 × 741,362.32
  4. Step 4: Simplify right side
    1,285,332.81x = 1,315,138,276,559.51
  5. Step 5: Solve for x
    x = 1,315,138,276,559.51/1,285,332.81
  6. Step 6: Final answer
    x = 1,023,188.91

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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.