Home / 1,035,138.80-1,551,784.80-403,905.80

Finding the Fourth Proportional to 1,035,138.80, 1,551,784.80 and 403,905.80

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Solution

The fourth proportional to 1,035,138.80, 1,551,784.80 and 403,905.80 is: 605,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,138.80 : 1,551,784.80 = 403,905.80 : x
  2. Step 2: Convert to fraction form
    1,035,138.80/1,551,784.80 = 403,905.80/x
  3. Step 3: Cross multiply
    1,035,138.80x = 1,551,784.80 × 403,905.80
  4. Step 4: Simplify right side
    1,035,138.80x = 626,774,881,071.84
  5. Step 5: Solve for x
    x = 626,774,881,071.84/1,035,138.80
  6. Step 6: Final answer
    x = 605,498.39

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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.