Home / 1,490,519.40-2,235,779.10-368,588.40

Finding the Fourth Proportional to 1,490,519.40, 2,235,779.10 and 368,588.40

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Solution

The fourth proportional to 1,490,519.40, 2,235,779.10 and 368,588.40 is: 552,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,519.40 : 2,235,779.10 = 368,588.40 : x
  2. Step 2: Convert to fraction form
    1,490,519.40/2,235,779.10 = 368,588.40/x
  3. Step 3: Cross multiply
    1,490,519.40x = 2,235,779.10 × 368,588.40
  4. Step 4: Simplify right side
    1,490,519.40x = 824,082,241,222.44
  5. Step 5: Solve for x
    x = 824,082,241,222.44/1,490,519.40
  6. Step 6: Final answer
    x = 552,882.60

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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.