Home / 1,081,609.74-1,492,808.81-651,890.43

Finding the Fourth Proportional to 1,081,609.74, 1,492,808.81 and 651,890.43

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Solution

The fourth proportional to 1,081,609.74, 1,492,808.81 and 651,890.43 is: 899,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,609.74 : 1,492,808.81 = 651,890.43 : x
  2. Step 2: Convert to fraction form
    1,081,609.74/1,492,808.81 = 651,890.43/x
  3. Step 3: Cross multiply
    1,081,609.74x = 1,492,808.81 × 651,890.43
  4. Step 4: Simplify right side
    1,081,609.74x = 973,147,773,799.24
  5. Step 5: Solve for x
    x = 973,147,773,799.24/1,081,609.74
  6. Step 6: Final answer
    x = 899,721.72

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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.