Home / 1,425,117.92-1,966,664.61-771,745.04

Finding the Fourth Proportional to 1,425,117.92, 1,966,664.61 and 771,745.04

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Solution

The fourth proportional to 1,425,117.92, 1,966,664.61 and 771,745.04 is: 1,065,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,117.92 : 1,966,664.61 = 771,745.04 : x
  2. Step 2: Convert to fraction form
    1,425,117.92/1,966,664.61 = 771,745.04/x
  3. Step 3: Cross multiply
    1,425,117.92x = 1,966,664.61 × 771,745.04
  4. Step 4: Simplify right side
    1,425,117.92x = 1,517,763,658,111.03
  5. Step 5: Solve for x
    x = 1,517,763,658,111.03/1,425,117.92
  6. Step 6: Final answer
    x = 1,065,009.17

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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.