Home / 965,019.60-1,447,529.40-666,421.20

Finding the Fourth Proportional to 965,019.60, 1,447,529.40 and 666,421.20

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Solution

The fourth proportional to 965,019.60, 1,447,529.40 and 666,421.20 is: 999,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,019.60 : 1,447,529.40 = 666,421.20 : x
  2. Step 2: Convert to fraction form
    965,019.60/1,447,529.40 = 666,421.20/x
  3. Step 3: Cross multiply
    965,019.60x = 1,447,529.40 × 666,421.20
  4. Step 4: Simplify right side
    965,019.60x = 964,664,279,783.28
  5. Step 5: Solve for x
    x = 964,664,279,783.28/965,019.60
  6. Step 6: Final answer
    x = 999,631.80

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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.