Home / 1,021,140.98-1,531,877.72-301,555.46

Finding the Fourth Proportional to 1,021,140.98, 1,531,877.72 and 301,555.46

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Solution

The fourth proportional to 1,021,140.98, 1,531,877.72 and 301,555.46 is: 452,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,140.98 : 1,531,877.72 = 301,555.46 : x
  2. Step 2: Convert to fraction form
    1,021,140.98/1,531,877.72 = 301,555.46/x
  3. Step 3: Cross multiply
    1,021,140.98x = 1,531,877.72 × 301,555.46
  4. Step 4: Simplify right side
    1,021,140.98x = 461,946,092,840.27
  5. Step 5: Solve for x
    x = 461,946,092,840.27/1,021,140.98
  6. Step 6: Final answer
    x = 452,382.29

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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.