Home / 1,430,070.56-2,145,103.96-365,112.80

Finding the Fourth Proportional to 1,430,070.56, 2,145,103.96 and 365,112.80

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Solution

The fourth proportional to 1,430,070.56, 2,145,103.96 and 365,112.80 is: 547,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,070.56 : 2,145,103.96 = 365,112.80 : x
  2. Step 2: Convert to fraction form
    1,430,070.56/2,145,103.96 = 365,112.80/x
  3. Step 3: Cross multiply
    1,430,070.56x = 2,145,103.96 × 365,112.80
  4. Step 4: Simplify right side
    1,430,070.56x = 783,204,913,126.69
  5. Step 5: Solve for x
    x = 783,204,913,126.69/1,430,070.56
  6. Step 6: Final answer
    x = 547,668.72

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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.