Home / 1,147,368.80-1,718,720.40-586,719.20

Finding the Fourth Proportional to 1,147,368.80, 1,718,720.40 and 586,719.20

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Solution

The fourth proportional to 1,147,368.80, 1,718,720.40 and 586,719.20 is: 878,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,368.80 : 1,718,720.40 = 586,719.20 : x
  2. Step 2: Convert to fraction form
    1,147,368.80/1,718,720.40 = 586,719.20/x
  3. Step 3: Cross multiply
    1,147,368.80x = 1,718,720.40 × 586,719.20
  4. Step 4: Simplify right side
    1,147,368.80x = 1,008,406,258,111.68
  5. Step 5: Solve for x
    x = 1,008,406,258,111.68/1,147,368.80
  6. Step 6: Final answer
    x = 878,885.90

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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.