Home / 1,075,677.28-1,482,457.32-1,007,420.20

Finding the Fourth Proportional to 1,075,677.28, 1,482,457.32 and 1,007,420.20

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Solution

The fourth proportional to 1,075,677.28, 1,482,457.32 and 1,007,420.20 is: 1,388,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,677.28 : 1,482,457.32 = 1,007,420.20 : x
  2. Step 2: Convert to fraction form
    1,075,677.28/1,482,457.32 = 1,007,420.20/x
  3. Step 3: Cross multiply
    1,075,677.28x = 1,482,457.32 × 1,007,420.20
  4. Step 4: Simplify right side
    1,075,677.28x = 1,493,457,449,805.86
  5. Step 5: Solve for x
    x = 1,493,457,449,805.86/1,075,677.28
  6. Step 6: Final answer
    x = 1,388,388.02

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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.