Home / 1,603,039.68-2,404,820.88-761,307.12

Finding the Fourth Proportional to 1,603,039.68, 2,404,820.88 and 761,307.12

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Solution

The fourth proportional to 1,603,039.68, 2,404,820.88 and 761,307.12 is: 1,142,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,039.68 : 2,404,820.88 = 761,307.12 : x
  2. Step 2: Convert to fraction form
    1,603,039.68/2,404,820.88 = 761,307.12/x
  3. Step 3: Cross multiply
    1,603,039.68x = 2,404,820.88 × 761,307.12
  4. Step 4: Simplify right side
    1,603,039.68x = 1,830,807,258,268.67
  5. Step 5: Solve for x
    x = 1,830,807,258,268.67/1,603,039.68
  6. Step 6: Final answer
    x = 1,142,084.80

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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.