Home / 1,075,718.19-1,616,331.32-811,962.75

Finding the Fourth Proportional to 1,075,718.19, 1,616,331.32 and 811,962.75

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Solution

The fourth proportional to 1,075,718.19, 1,616,331.32 and 811,962.75 is: 1,220,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,718.19 : 1,616,331.32 = 811,962.75 : x
  2. Step 2: Convert to fraction form
    1,075,718.19/1,616,331.32 = 811,962.75/x
  3. Step 3: Cross multiply
    1,075,718.19x = 1,616,331.32 × 811,962.75
  4. Step 4: Simplify right side
    1,075,718.19x = 1,312,400,819,438.52
  5. Step 5: Solve for x
    x = 1,312,400,819,438.52/1,075,718.19
  6. Step 6: Final answer
    x = 1,220,022.89

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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.