Home / 1,513,381.90-2,270,081.06-448,433.18

Finding the Fourth Proportional to 1,513,381.90, 2,270,081.06 and 448,433.18

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Solution

The fourth proportional to 1,513,381.90, 2,270,081.06 and 448,433.18 is: 672,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,381.90 : 2,270,081.06 = 448,433.18 : x
  2. Step 2: Convert to fraction form
    1,513,381.90/2,270,081.06 = 448,433.18/x
  3. Step 3: Cross multiply
    1,513,381.90x = 2,270,081.06 × 448,433.18
  4. Step 4: Simplify right side
    1,513,381.90x = 1,017,979,677,964.63
  5. Step 5: Solve for x
    x = 1,017,979,677,964.63/1,513,381.90
  6. Step 6: Final answer
    x = 672,652.21

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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.