Home / 1,325,368.40-1,988,635.80-615,030.80

Finding the Fourth Proportional to 1,325,368.40, 1,988,635.80 and 615,030.80

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Solution

The fourth proportional to 1,325,368.40, 1,988,635.80 and 615,030.80 is: 922,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,368.40 : 1,988,635.80 = 615,030.80 : x
  2. Step 2: Convert to fraction form
    1,325,368.40/1,988,635.80 = 615,030.80/x
  3. Step 3: Cross multiply
    1,325,368.40x = 1,988,635.80 × 615,030.80
  4. Step 4: Simplify right side
    1,325,368.40x = 1,223,072,266,982.64
  5. Step 5: Solve for x
    x = 1,223,072,266,982.64/1,325,368.40
  6. Step 6: Final answer
    x = 922,816.83

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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.