Home / 942,041.55-1,413,078.54-268,140.18

Finding the Fourth Proportional to 942,041.55, 1,413,078.54 and 268,140.18

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Solution

The fourth proportional to 942,041.55, 1,413,078.54 and 268,140.18 is: 402,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,041.55 : 1,413,078.54 = 268,140.18 : x
  2. Step 2: Convert to fraction form
    942,041.55/1,413,078.54 = 268,140.18/x
  3. Step 3: Cross multiply
    942,041.55x = 1,413,078.54 × 268,140.18
  4. Step 4: Simplify right side
    942,041.55x = 378,903,134,069.74
  5. Step 5: Solve for x
    x = 378,903,134,069.74/942,041.55
  6. Step 6: Final answer
    x = 402,214.89

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1.5x scale

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.