Home / 1,430,107.06-2,145,158.70-365,149.30

Finding the Fourth Proportional to 1,430,107.06, 2,145,158.70 and 365,149.30

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Solution

The fourth proportional to 1,430,107.06, 2,145,158.70 and 365,149.30 is: 547,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,107.06 : 2,145,158.70 = 365,149.30 : x
  2. Step 2: Convert to fraction form
    1,430,107.06/2,145,158.70 = 365,149.30/x
  3. Step 3: Cross multiply
    1,430,107.06x = 2,145,158.70 × 365,149.30
  4. Step 4: Simplify right side
    1,430,107.06x = 783,303,197,693.91
  5. Step 5: Solve for x
    x = 783,303,197,693.91/1,430,107.06
  6. Step 6: Final answer
    x = 547,723.47

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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.