Home / 1,405,670.74-2,108,506.04-340,712.84

Finding the Fourth Proportional to 1,405,670.74, 2,108,506.04 and 340,712.84

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Solution

The fourth proportional to 1,405,670.74, 2,108,506.04 and 340,712.84 is: 511,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,670.74 : 2,108,506.04 = 340,712.84 : x
  2. Step 2: Convert to fraction form
    1,405,670.74/2,108,506.04 = 340,712.84/x
  3. Step 3: Cross multiply
    1,405,670.74x = 2,108,506.04 × 340,712.84
  4. Step 4: Simplify right side
    1,405,670.74x = 718,395,081,045.55
  5. Step 5: Solve for x
    x = 718,395,081,045.55/1,405,670.74
  6. Step 6: Final answer
    x = 511,069.24

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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.