Home / 1,087,247.51-1,630,225.19-413,378.13

Finding the Fourth Proportional to 1,087,247.51, 1,630,225.19 and 413,378.13

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Solution

The fourth proportional to 1,087,247.51, 1,630,225.19 and 413,378.13 is: 619,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,247.51 : 1,630,225.19 = 413,378.13 : x
  2. Step 2: Convert to fraction form
    1,087,247.51/1,630,225.19 = 413,378.13/x
  3. Step 3: Cross multiply
    1,087,247.51x = 1,630,225.19 × 413,378.13
  4. Step 4: Simplify right side
    1,087,247.51x = 673,899,445,342.63
  5. Step 5: Solve for x
    x = 673,899,445,342.63/1,087,247.51
  6. Step 6: Final answer
    x = 619,821.56

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Double scale
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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.