Home / 1,346,322.40-2,019,045.36-447,523.20

Finding the Fourth Proportional to 1,346,322.40, 2,019,045.36 and 447,523.20

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Solution

The fourth proportional to 1,346,322.40, 2,019,045.36 and 447,523.20 is: 671,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,322.40 : 2,019,045.36 = 447,523.20 : x
  2. Step 2: Convert to fraction form
    1,346,322.40/2,019,045.36 = 447,523.20/x
  3. Step 3: Cross multiply
    1,346,322.40x = 2,019,045.36 × 447,523.20
  4. Step 4: Simplify right side
    1,346,322.40x = 903,569,640,452.35
  5. Step 5: Solve for x
    x = 903,569,640,452.35/1,346,322.40
  6. Step 6: Final answer
    x = 671,139.13

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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.