Home / 1,208,047.80-1,812,071.70-497,710.20

Finding the Fourth Proportional to 1,208,047.80, 1,812,071.70 and 497,710.20

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Solution

The fourth proportional to 1,208,047.80, 1,812,071.70 and 497,710.20 is: 746,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,047.80 : 1,812,071.70 = 497,710.20 : x
  2. Step 2: Convert to fraction form
    1,208,047.80/1,812,071.70 = 497,710.20/x
  3. Step 3: Cross multiply
    1,208,047.80x = 1,812,071.70 × 497,710.20
  4. Step 4: Simplify right side
    1,208,047.80x = 901,886,568,221.34
  5. Step 5: Solve for x
    x = 901,886,568,221.34/1,208,047.80
  6. Step 6: Final answer
    x = 746,565.30

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Double scale
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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.