Home / 1,224,047.95-1,689,341.51-740,617.09

Finding the Fourth Proportional to 1,224,047.95, 1,689,341.51 and 740,617.09

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Solution

The fourth proportional to 1,224,047.95, 1,689,341.51 and 740,617.09 is: 1,022,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,047.95 : 1,689,341.51 = 740,617.09 : x
  2. Step 2: Convert to fraction form
    1,224,047.95/1,689,341.51 = 740,617.09/x
  3. Step 3: Cross multiply
    1,224,047.95x = 1,689,341.51 × 740,617.09
  4. Step 4: Simplify right side
    1,224,047.95x = 1,251,155,193,152.41
  5. Step 5: Solve for x
    x = 1,251,155,193,152.41/1,224,047.95
  6. Step 6: Final answer
    x = 1,022,145.57

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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.