Home / 1,200,036.16-1,800,055.95-490,064.18

Finding the Fourth Proportional to 1,200,036.16, 1,800,055.95 and 490,064.18

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Solution

The fourth proportional to 1,200,036.16, 1,800,055.95 and 490,064.18 is: 735,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,036.16 : 1,800,055.95 = 490,064.18 : x
  2. Step 2: Convert to fraction form
    1,200,036.16/1,800,055.95 = 490,064.18/x
  3. Step 3: Cross multiply
    1,200,036.16x = 1,800,055.95 × 490,064.18
  4. Step 4: Simplify right side
    1,200,036.16x = 882,142,932,252.85
  5. Step 5: Solve for x
    x = 882,142,932,252.85/1,200,036.16
  6. Step 6: Final answer
    x = 735,096.96

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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.