Home / 1,065,881.60-1,598,638.08-401,039.36

Finding the Fourth Proportional to 1,065,881.60, 1,598,638.08 and 401,039.36

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Solution

The fourth proportional to 1,065,881.60, 1,598,638.08 and 401,039.36 is: 601,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,881.60 : 1,598,638.08 = 401,039.36 : x
  2. Step 2: Convert to fraction form
    1,065,881.60/1,598,638.08 = 401,039.36/x
  3. Step 3: Cross multiply
    1,065,881.60x = 1,598,638.08 × 401,039.36
  4. Step 4: Simplify right side
    1,065,881.60x = 641,116,792,474.83
  5. Step 5: Solve for x
    x = 641,116,792,474.83/1,065,881.60
  6. Step 6: Final answer
    x = 601,489.69

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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.