Home / 1,634,641.95-2,255,540.07-909,471.03

Finding the Fourth Proportional to 1,634,641.95, 2,255,540.07 and 909,471.03

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Solution

The fourth proportional to 1,634,641.95, 2,255,540.07 and 909,471.03 is: 1,254,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,641.95 : 2,255,540.07 = 909,471.03 : x
  2. Step 2: Convert to fraction form
    1,634,641.95/2,255,540.07 = 909,471.03/x
  3. Step 3: Cross multiply
    1,634,641.95x = 2,255,540.07 × 909,471.03
  4. Step 4: Simplify right side
    1,634,641.95x = 2,051,348,350,669.17
  5. Step 5: Solve for x
    x = 2,051,348,350,669.17/1,634,641.95
  6. Step 6: Final answer
    x = 1,254,922.13

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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.