Home / 912,261.76-1,258,100.64-589,632.64

Finding the Fourth Proportional to 912,261.76, 1,258,100.64 and 589,632.64

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Solution

The fourth proportional to 912,261.76, 1,258,100.64 and 589,632.64 is: 813,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,261.76 : 1,258,100.64 = 589,632.64 : x
  2. Step 2: Convert to fraction form
    912,261.76/1,258,100.64 = 589,632.64/x
  3. Step 3: Cross multiply
    912,261.76x = 1,258,100.64 × 589,632.64
  4. Step 4: Simplify right side
    912,261.76x = 741,817,201,748.89
  5. Step 5: Solve for x
    x = 741,817,201,748.89/912,261.76
  6. Step 6: Final answer
    x = 813,162.66

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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.