Home / 1,102,313.60-1,521,075.24-618,931.88

Finding the Fourth Proportional to 1,102,313.60, 1,521,075.24 and 618,931.88

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Solution

The fourth proportional to 1,102,313.60, 1,521,075.24 and 618,931.88 is: 854,060.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,313.60 : 1,521,075.24 = 618,931.88 : x
  2. Step 2: Convert to fraction form
    1,102,313.60/1,521,075.24 = 618,931.88/x
  3. Step 3: Cross multiply
    1,102,313.60x = 1,521,075.24 × 618,931.88
  4. Step 4: Simplify right side
    1,102,313.60x = 941,441,957,914.65
  5. Step 5: Solve for x
    x = 941,441,957,914.65/1,102,313.60
  6. Step 6: Final answer
    x = 854,060.00

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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.