Home / 1,020,059.28-1,530,071.64-355,194

Finding the Fourth Proportional to 1,020,059.28, 1,530,071.64 and 355,194

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Solution

The fourth proportional to 1,020,059.28, 1,530,071.64 and 355,194 is: 532,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,059.28 : 1,530,071.64 = 355,194 : x
  2. Step 2: Convert to fraction form
    1,020,059.28/1,530,071.64 = 355,194/x
  3. Step 3: Cross multiply
    1,020,059.28x = 1,530,071.64 × 355,194
  4. Step 4: Simplify right side
    1,020,059.28x = 543,472,266,098.16
  5. Step 5: Solve for x
    x = 543,472,266,098.16/1,020,059.28
  6. Step 6: Final answer
    x = 532,784.98

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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.