Home / 1,215,809.40-1,823,541.30-374,446.20

Finding the Fourth Proportional to 1,215,809.40, 1,823,541.30 and 374,446.20

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Solution

The fourth proportional to 1,215,809.40, 1,823,541.30 and 374,446.20 is: 561,616.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,809.40 : 1,823,541.30 = 374,446.20 : x
  2. Step 2: Convert to fraction form
    1,215,809.40/1,823,541.30 = 374,446.20/x
  3. Step 3: Cross multiply
    1,215,809.40x = 1,823,541.30 × 374,446.20
  4. Step 4: Simplify right side
    1,215,809.40x = 682,818,110,328.06
  5. Step 5: Solve for x
    x = 682,818,110,328.06/1,215,809.40
  6. Step 6: Final answer
    x = 561,616.08

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1.5x scale

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.