Home / 1,370,486.76-2,055,729.98-423,865.64

Finding the Fourth Proportional to 1,370,486.76, 2,055,729.98 and 423,865.64

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Solution

The fourth proportional to 1,370,486.76, 2,055,729.98 and 423,865.64 is: 635,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,486.76 : 2,055,729.98 = 423,865.64 : x
  2. Step 2: Convert to fraction form
    1,370,486.76/2,055,729.98 = 423,865.64/x
  3. Step 3: Cross multiply
    1,370,486.76x = 2,055,729.98 × 423,865.64
  4. Step 4: Simplify right side
    1,370,486.76x = 871,353,303,639.89
  5. Step 5: Solve for x
    x = 871,353,303,639.89/1,370,486.76
  6. Step 6: Final answer
    x = 635,798.41

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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.