Home / 1,426,403.88-1,968,654.18-910,380.52

Finding the Fourth Proportional to 1,426,403.88, 1,968,654.18 and 910,380.52

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Solution

The fourth proportional to 1,426,403.88, 1,968,654.18 and 910,380.52 is: 1,256,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,403.88 : 1,968,654.18 = 910,380.52 : x
  2. Step 2: Convert to fraction form
    1,426,403.88/1,968,654.18 = 910,380.52/x
  3. Step 3: Cross multiply
    1,426,403.88x = 1,968,654.18 × 910,380.52
  4. Step 4: Simplify right side
    1,426,403.88x = 1,792,224,416,088.57
  5. Step 5: Solve for x
    x = 1,792,224,416,088.57/1,426,403.88
  6. Step 6: Final answer
    x = 1,256,463.50

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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.