Home / 1,037,985.70-1,556,978.55-290,031.70

Finding the Fourth Proportional to 1,037,985.70, 1,556,978.55 and 290,031.70

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Solution

The fourth proportional to 1,037,985.70, 1,556,978.55 and 290,031.70 is: 435,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,985.70 : 1,556,978.55 = 290,031.70 : x
  2. Step 2: Convert to fraction form
    1,037,985.70/1,556,978.55 = 290,031.70/x
  3. Step 3: Cross multiply
    1,037,985.70x = 1,556,978.55 × 290,031.70
  4. Step 4: Simplify right side
    1,037,985.70x = 451,573,135,720.04
  5. Step 5: Solve for x
    x = 451,573,135,720.04/1,037,985.70
  6. Step 6: Final answer
    x = 435,047.55

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Double scale
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Similar ratio
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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.