Home / 1,315,908.16-1,974,600.35-716,911.33

Finding the Fourth Proportional to 1,315,908.16, 1,974,600.35 and 716,911.33

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Solution

The fourth proportional to 1,315,908.16, 1,974,600.35 and 716,911.33 is: 1,075,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,908.16 : 1,974,600.35 = 716,911.33 : x
  2. Step 2: Convert to fraction form
    1,315,908.16/1,974,600.35 = 716,911.33/x
  3. Step 3: Cross multiply
    1,315,908.16x = 1,974,600.35 × 716,911.33
  4. Step 4: Simplify right side
    1,315,908.16x = 1,415,613,363,136.97
  5. Step 5: Solve for x
    x = 1,415,613,363,136.97/1,315,908.16
  6. Step 6: Final answer
    x = 1,075,769.12

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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.