Home / 1,986,700-2,980,494.23-724,527.62

Finding the Fourth Proportional to 1,986,700, 2,980,494.23 and 724,527.62

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Solution

The fourth proportional to 1,986,700, 2,980,494.23 and 724,527.62 is: 1,086,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,700 : 2,980,494.23 = 724,527.62 : x
  2. Step 2: Convert to fraction form
    1,986,700/2,980,494.23 = 724,527.62/x
  3. Step 3: Cross multiply
    1,986,700x = 2,980,494.23 × 724,527.62
  4. Step 4: Simplify right side
    1,986,700x = 2,159,450,390,885.63
  5. Step 5: Solve for x
    x = 2,159,450,390,885.63/1,986,700
  6. Step 6: Final answer
    x = 1,086,953.44

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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.