Home / 1,075,713.32-1,616,323.98-811,957.88

Finding the Fourth Proportional to 1,075,713.32, 1,616,323.98 and 811,957.88

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Solution

The fourth proportional to 1,075,713.32, 1,616,323.98 and 811,957.88 is: 1,220,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,713.32 : 1,616,323.98 = 811,957.88 : x
  2. Step 2: Convert to fraction form
    1,075,713.32/1,616,323.98 = 811,957.88/x
  3. Step 3: Cross multiply
    1,075,713.32x = 1,616,323.98 × 811,957.88
  4. Step 4: Simplify right side
    1,075,713.32x = 1,312,386,984,112.34
  5. Step 5: Solve for x
    x = 1,312,386,984,112.34/1,075,713.32
  6. Step 6: Final answer
    x = 1,220,015.56

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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.