Home / 1,315,907.16-1,974,598.85-716,910.33

Finding the Fourth Proportional to 1,315,907.16, 1,974,598.85 and 716,910.33

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Solution

The fourth proportional to 1,315,907.16, 1,974,598.85 and 716,910.33 is: 1,075,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,907.16 : 1,974,598.85 = 716,910.33 : x
  2. Step 2: Convert to fraction form
    1,315,907.16/1,974,598.85 = 716,910.33/x
  3. Step 3: Cross multiply
    1,315,907.16x = 1,974,598.85 × 716,910.33
  4. Step 4: Simplify right side
    1,315,907.16x = 1,415,610,313,171.12
  5. Step 5: Solve for x
    x = 1,415,610,313,171.12/1,315,907.16
  6. Step 6: Final answer
    x = 1,075,767.62

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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.