Home / 1,274,569.76-1,911,835.83-315,025.46

Finding the Fourth Proportional to 1,274,569.76, 1,911,835.83 and 315,025.46

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Solution

The fourth proportional to 1,274,569.76, 1,911,835.83 and 315,025.46 is: 472,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,569.76 : 1,911,835.83 = 315,025.46 : x
  2. Step 2: Convert to fraction form
    1,274,569.76/1,911,835.83 = 315,025.46/x
  3. Step 3: Cross multiply
    1,274,569.76x = 1,911,835.83 × 315,025.46
  4. Step 4: Simplify right side
    1,274,569.76x = 602,276,971,146.78
  5. Step 5: Solve for x
    x = 602,276,971,146.78/1,274,569.76
  6. Step 6: Final answer
    x = 472,533.55

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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.