Home / 918,112.50-1,267,145.51-764,907.75

Finding the Fourth Proportional to 918,112.50, 1,267,145.51 and 764,907.75

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Solution

The fourth proportional to 918,112.50, 1,267,145.51 and 764,907.75 is: 1,055,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,112.50 : 1,267,145.51 = 764,907.75 : x
  2. Step 2: Convert to fraction form
    918,112.50/1,267,145.51 = 764,907.75/x
  3. Step 3: Cross multiply
    918,112.50x = 1,267,145.51 × 764,907.75
  4. Step 4: Simplify right side
    918,112.50x = 969,249,417,152.16
  5. Step 5: Solve for x
    x = 969,249,417,152.16/918,112.50
  6. Step 6: Final answer
    x = 1,055,697.88

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1.5x scale

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.