Home / 1,330,886.40-1,996,329.60-384,352.80

Finding the Fourth Proportional to 1,330,886.40, 1,996,329.60 and 384,352.80

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Solution

The fourth proportional to 1,330,886.40, 1,996,329.60 and 384,352.80 is: 576,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,886.40 : 1,996,329.60 = 384,352.80 : x
  2. Step 2: Convert to fraction form
    1,330,886.40/1,996,329.60 = 384,352.80/x
  3. Step 3: Cross multiply
    1,330,886.40x = 1,996,329.60 × 384,352.80
  4. Step 4: Simplify right side
    1,330,886.40x = 767,294,871,482.88
  5. Step 5: Solve for x
    x = 767,294,871,482.88/1,330,886.40
  6. Step 6: Final answer
    x = 576,529.20

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Similar ratio
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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.