Home / 1,017,946.80-1,526,920.20-930,855.60

Finding the Fourth Proportional to 1,017,946.80, 1,526,920.20 and 930,855.60

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Solution

The fourth proportional to 1,017,946.80, 1,526,920.20 and 930,855.60 is: 1,396,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,946.80 : 1,526,920.20 = 930,855.60 : x
  2. Step 2: Convert to fraction form
    1,017,946.80/1,526,920.20 = 930,855.60/x
  3. Step 3: Cross multiply
    1,017,946.80x = 1,526,920.20 × 930,855.60
  4. Step 4: Simplify right side
    1,017,946.80x = 1,421,342,218,923.12
  5. Step 5: Solve for x
    x = 1,421,342,218,923.12/1,017,946.80
  6. Step 6: Final answer
    x = 1,396,283.40

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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.