Home / 1,355,465.97-2,031,877.04-645,303.33

Finding the Fourth Proportional to 1,355,465.97, 2,031,877.04 and 645,303.33

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Solution

The fourth proportional to 1,355,465.97, 2,031,877.04 and 645,303.33 is: 967,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,465.97 : 2,031,877.04 = 645,303.33 : x
  2. Step 2: Convert to fraction form
    1,355,465.97/2,031,877.04 = 645,303.33/x
  3. Step 3: Cross multiply
    1,355,465.97x = 2,031,877.04 × 645,303.33
  4. Step 4: Simplify right side
    1,355,465.97x = 1,311,177,016,836.03
  5. Step 5: Solve for x
    x = 1,311,177,016,836.03/1,355,465.97
  6. Step 6: Final answer
    x = 967,325.66

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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.