Home / 1,258,603.80-1,888,179.12-459,884.13

Finding the Fourth Proportional to 1,258,603.80, 1,888,179.12 and 459,884.13

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Solution

The fourth proportional to 1,258,603.80, 1,888,179.12 and 459,884.13 is: 689,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,603.80 : 1,888,179.12 = 459,884.13 : x
  2. Step 2: Convert to fraction form
    1,258,603.80/1,888,179.12 = 459,884.13/x
  3. Step 3: Cross multiply
    1,258,603.80x = 1,888,179.12 × 459,884.13
  4. Step 4: Simplify right side
    1,258,603.80x = 868,343,611,885.37
  5. Step 5: Solve for x
    x = 868,343,611,885.37/1,258,603.80
  6. Step 6: Final answer
    x = 689,926.10

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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.