Home / 1,021,140.28-1,531,876.66-301,554.76

Finding the Fourth Proportional to 1,021,140.28, 1,531,876.66 and 301,554.76

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Solution

The fourth proportional to 1,021,140.28, 1,531,876.66 and 301,554.76 is: 452,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,140.28 : 1,531,876.66 = 301,554.76 : x
  2. Step 2: Convert to fraction form
    1,021,140.28/1,531,876.66 = 301,554.76/x
  3. Step 3: Cross multiply
    1,021,140.28x = 1,531,876.66 × 301,554.76
  4. Step 4: Simplify right side
    1,021,140.28x = 461,944,701,153.00
  5. Step 5: Solve for x
    x = 461,944,701,153.00/1,021,140.28
  6. Step 6: Final answer
    x = 452,381.24

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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.