Home / 1,123,303.80-1,684,955.70-645,006.90

Finding the Fourth Proportional to 1,123,303.80, 1,684,955.70 and 645,006.90

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Solution

The fourth proportional to 1,123,303.80, 1,684,955.70 and 645,006.90 is: 967,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,303.80 : 1,684,955.70 = 645,006.90 : x
  2. Step 2: Convert to fraction form
    1,123,303.80/1,684,955.70 = 645,006.90/x
  3. Step 3: Cross multiply
    1,123,303.80x = 1,684,955.70 × 645,006.90
  4. Step 4: Simplify right side
    1,123,303.80x = 1,086,808,052,694.33
  5. Step 5: Solve for x
    x = 1,086,808,052,694.33/1,123,303.80
  6. Step 6: Final answer
    x = 967,510.35

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Similar ratio
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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.