Home / 1,088,031.60-1,632,583.80-489,416.40

Finding the Fourth Proportional to 1,088,031.60, 1,632,583.80 and 489,416.40

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Solution

The fourth proportional to 1,088,031.60, 1,632,583.80 and 489,416.40 is: 734,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,031.60 : 1,632,583.80 = 489,416.40 : x
  2. Step 2: Convert to fraction form
    1,088,031.60/1,632,583.80 = 489,416.40/x
  3. Step 3: Cross multiply
    1,088,031.60x = 1,632,583.80 × 489,416.40
  4. Step 4: Simplify right side
    1,088,031.60x = 799,013,286,094.32
  5. Step 5: Solve for x
    x = 799,013,286,094.32/1,088,031.60
  6. Step 6: Final answer
    x = 734,365.88

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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.