Home / 1,019,261.85-1,528,893.05-299,603.58

Finding the Fourth Proportional to 1,019,261.85, 1,528,893.05 and 299,603.58

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Solution

The fourth proportional to 1,019,261.85, 1,528,893.05 and 299,603.58 is: 449,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,261.85 : 1,528,893.05 = 299,603.58 : x
  2. Step 2: Convert to fraction form
    1,019,261.85/1,528,893.05 = 299,603.58/x
  3. Step 3: Cross multiply
    1,019,261.85x = 1,528,893.05 × 299,603.58
  4. Step 4: Simplify right side
    1,019,261.85x = 458,061,829,719.10
  5. Step 5: Solve for x
    x = 458,061,829,719.10/1,019,261.85
  6. Step 6: Final answer
    x = 449,405.45

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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.