Home / 1,075,915.28-1,484,767.32-646,202.72

Finding the Fourth Proportional to 1,075,915.28, 1,484,767.32 and 646,202.72

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Solution

The fourth proportional to 1,075,915.28, 1,484,767.32 and 646,202.72 is: 891,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,915.28 : 1,484,767.32 = 646,202.72 : x
  2. Step 2: Convert to fraction form
    1,075,915.28/1,484,767.32 = 646,202.72/x
  3. Step 3: Cross multiply
    1,075,915.28x = 1,484,767.32 × 646,202.72
  4. Step 4: Simplify right side
    1,075,915.28x = 959,460,680,751.11
  5. Step 5: Solve for x
    x = 959,460,680,751.11/1,075,915.28
  6. Step 6: Final answer
    x = 891,762.30

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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.