Home / 1,330,757.64-1,836,483.30-742,070.52

Finding the Fourth Proportional to 1,330,757.64, 1,836,483.30 and 742,070.52

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Solution

The fourth proportional to 1,330,757.64, 1,836,483.30 and 742,070.52 is: 1,024,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,757.64 : 1,836,483.30 = 742,070.52 : x
  2. Step 2: Convert to fraction form
    1,330,757.64/1,836,483.30 = 742,070.52/x
  3. Step 3: Cross multiply
    1,330,757.64x = 1,836,483.30 × 742,070.52
  4. Step 4: Simplify right side
    1,330,757.64x = 1,362,800,117,402.32
  5. Step 5: Solve for x
    x = 1,362,800,117,402.32/1,330,757.64
  6. Step 6: Final answer
    x = 1,024,078.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.