Home / 1,265,862.28-1,898,112.48-507,323.20

Finding the Fourth Proportional to 1,265,862.28, 1,898,112.48 and 507,323.20

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Solution

The fourth proportional to 1,265,862.28, 1,898,112.48 and 507,323.20 is: 760,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,862.28 : 1,898,112.48 = 507,323.20 : x
  2. Step 2: Convert to fraction form
    1,265,862.28/1,898,112.48 = 507,323.20/x
  3. Step 3: Cross multiply
    1,265,862.28x = 1,898,112.48 × 507,323.20
  4. Step 4: Simplify right side
    1,265,862.28x = 962,956,497,313.54
  5. Step 5: Solve for x
    x = 962,956,497,313.54/1,265,862.28
  6. Step 6: Final answer
    x = 760,711.90

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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.