Home / 1,258,856.03-1,889,156.12-500,619.79

Finding the Fourth Proportional to 1,258,856.03, 1,889,156.12 and 500,619.79

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Solution

The fourth proportional to 1,258,856.03, 1,889,156.12 and 500,619.79 is: 751,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,856.03 : 1,889,156.12 = 500,619.79 : x
  2. Step 2: Convert to fraction form
    1,258,856.03/1,889,156.12 = 500,619.79/x
  3. Step 3: Cross multiply
    1,258,856.03x = 1,889,156.12 × 500,619.79
  4. Step 4: Simplify right side
    1,258,856.03x = 945,748,939,929.96
  5. Step 5: Solve for x
    x = 945,748,939,929.96/1,258,856.03
  6. Step 6: Final answer
    x = 751,276.49

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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.