Home / 1,376,922.17-1,898,444.05-917,028.47

Finding the Fourth Proportional to 1,376,922.17, 1,898,444.05 and 917,028.47

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Solution

The fourth proportional to 1,376,922.17, 1,898,444.05 and 917,028.47 is: 1,264,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,922.17 : 1,898,444.05 = 917,028.47 : x
  2. Step 2: Convert to fraction form
    1,376,922.17/1,898,444.05 = 917,028.47/x
  3. Step 3: Cross multiply
    1,376,922.17x = 1,898,444.05 × 917,028.47
  4. Step 4: Simplify right side
    1,376,922.17x = 1,740,927,245,005.64
  5. Step 5: Solve for x
    x = 1,740,927,245,005.64/1,376,922.17
  6. Step 6: Final answer
    x = 1,264,361.40

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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.