Home / 1,461,081.40-2,016,286.50-816,501.40

Finding the Fourth Proportional to 1,461,081.40, 2,016,286.50 and 816,501.40

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Solution

The fourth proportional to 1,461,081.40, 2,016,286.50 and 816,501.40 is: 1,126,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,081.40 : 2,016,286.50 = 816,501.40 : x
  2. Step 2: Convert to fraction form
    1,461,081.40/2,016,286.50 = 816,501.40/x
  3. Step 3: Cross multiply
    1,461,081.40x = 2,016,286.50 × 816,501.40
  4. Step 4: Simplify right side
    1,461,081.40x = 1,646,300,750,051.10
  5. Step 5: Solve for x
    x = 1,646,300,750,051.10/1,461,081.40
  6. Step 6: Final answer
    x = 1,126,768.67

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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.