Home / 1,201,139.41-1,657,572.32-657,275.26

Finding the Fourth Proportional to 1,201,139.41, 1,657,572.32 and 657,275.26

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Solution

The fourth proportional to 1,201,139.41, 1,657,572.32 and 657,275.26 is: 907,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,139.41 : 1,657,572.32 = 657,275.26 : x
  2. Step 2: Convert to fraction form
    1,201,139.41/1,657,572.32 = 657,275.26/x
  3. Step 3: Cross multiply
    1,201,139.41x = 1,657,572.32 × 657,275.26
  4. Step 4: Simplify right side
    1,201,139.41x = 1,089,481,276,382.39
  5. Step 5: Solve for x
    x = 1,089,481,276,382.39/1,201,139.41
  6. Step 6: Final answer
    x = 907,039.82

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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.