Home / 1,075,982.76-1,484,787.78-646,281

Finding the Fourth Proportional to 1,075,982.76, 1,484,787.78 and 646,281

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Solution

The fourth proportional to 1,075,982.76, 1,484,787.78 and 646,281 is: 891,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,982.76 : 1,484,787.78 = 646,281 : x
  2. Step 2: Convert to fraction form
    1,075,982.76/1,484,787.78 = 646,281/x
  3. Step 3: Cross multiply
    1,075,982.76x = 1,484,787.78 × 646,281
  4. Step 4: Simplify right side
    1,075,982.76x = 959,590,131,246.18
  5. Step 5: Solve for x
    x = 959,590,131,246.18/1,075,982.76
  6. Step 6: Final answer
    x = 891,826.68

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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.