Home / 1,426,353.82-1,968,585.06-910,330.36

Finding the Fourth Proportional to 1,426,353.82, 1,968,585.06 and 910,330.36

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Solution

The fourth proportional to 1,426,353.82, 1,968,585.06 and 910,330.36 is: 1,256,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,353.82 : 1,968,585.06 = 910,330.36 : x
  2. Step 2: Convert to fraction form
    1,426,353.82/1,968,585.06 = 910,330.36/x
  3. Step 3: Cross multiply
    1,426,353.82x = 1,968,585.06 × 910,330.36
  4. Step 4: Simplify right side
    1,426,353.82x = 1,792,062,746,360.42
  5. Step 5: Solve for x
    x = 1,792,062,746,360.42/1,426,353.82
  6. Step 6: Final answer
    x = 1,256,394.26

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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.