Home / 972,075.80-1,458,113.70-869,724.20

Finding the Fourth Proportional to 972,075.80, 1,458,113.70 and 869,724.20

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Solution

The fourth proportional to 972,075.80, 1,458,113.70 and 869,724.20 is: 1,304,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,075.80 : 1,458,113.70 = 869,724.20 : x
  2. Step 2: Convert to fraction form
    972,075.80/1,458,113.70 = 869,724.20/x
  3. Step 3: Cross multiply
    972,075.80x = 1,458,113.70 × 869,724.20
  4. Step 4: Simplify right side
    972,075.80x = 1,268,156,771,241.54
  5. Step 5: Solve for x
    x = 1,268,156,771,241.54/972,075.80
  6. Step 6: Final answer
    x = 1,304,586.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.