Home / 1,336,583.40-2,004,875.10-390,049.80

Finding the Fourth Proportional to 1,336,583.40, 2,004,875.10 and 390,049.80

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Solution

The fourth proportional to 1,336,583.40, 2,004,875.10 and 390,049.80 is: 585,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,583.40 : 2,004,875.10 = 390,049.80 : x
  2. Step 2: Convert to fraction form
    1,336,583.40/2,004,875.10 = 390,049.80/x
  3. Step 3: Cross multiply
    1,336,583.40x = 2,004,875.10 × 390,049.80
  4. Step 4: Simplify right side
    1,336,583.40x = 782,001,131,779.98
  5. Step 5: Solve for x
    x = 782,001,131,779.98/1,336,583.40
  6. Step 6: Final answer
    x = 585,074.70

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Double scale
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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.