Home / 1,201,315.23-1,657,799.42-657,441.13

Finding the Fourth Proportional to 1,201,315.23, 1,657,799.42 and 657,441.13

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Solution

The fourth proportional to 1,201,315.23, 1,657,799.42 and 657,441.13 is: 907,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,315.23 : 1,657,799.42 = 657,441.13 : x
  2. Step 2: Convert to fraction form
    1,201,315.23/1,657,799.42 = 657,441.13/x
  3. Step 3: Cross multiply
    1,201,315.23x = 1,657,799.42 × 657,441.13
  4. Step 4: Simplify right side
    1,201,315.23x = 1,089,905,523,998.14
  5. Step 5: Solve for x
    x = 1,089,905,523,998.14/1,201,315.23
  6. Step 6: Final answer
    x = 907,260.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.