Home / 1,151,290.72-1,725,890.64-402,928.48

Finding the Fourth Proportional to 1,151,290.72, 1,725,890.64 and 402,928.48

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Solution

The fourth proportional to 1,151,290.72, 1,725,890.64 and 402,928.48 is: 604,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,290.72 : 1,725,890.64 = 402,928.48 : x
  2. Step 2: Convert to fraction form
    1,151,290.72/1,725,890.64 = 402,928.48/x
  3. Step 3: Cross multiply
    1,151,290.72x = 1,725,890.64 × 402,928.48
  4. Step 4: Simplify right side
    1,151,290.72x = 695,410,492,221.43
  5. Step 5: Solve for x
    x = 695,410,492,221.43/1,151,290.72
  6. Step 6: Final answer
    x = 604,026.84

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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.