Home / 1,021,190.31-1,531,076.13-452,261.40

Finding the Fourth Proportional to 1,021,190.31, 1,531,076.13 and 452,261.40

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Solution

The fourth proportional to 1,021,190.31, 1,531,076.13 and 452,261.40 is: 678,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,190.31 : 1,531,076.13 = 452,261.40 : x
  2. Step 2: Convert to fraction form
    1,021,190.31/1,531,076.13 = 452,261.40/x
  3. Step 3: Cross multiply
    1,021,190.31x = 1,531,076.13 × 452,261.40
  4. Step 4: Simplify right side
    1,021,190.31x = 692,446,634,060.38
  5. Step 5: Solve for x
    x = 692,446,634,060.38/1,021,190.31
  6. Step 6: Final answer
    x = 678,077.95

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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.