Home / 1,567,856.40-2,351,201.40-621,031.20

Finding the Fourth Proportional to 1,567,856.40, 2,351,201.40 and 621,031.20

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Solution

The fourth proportional to 1,567,856.40, 2,351,201.40 and 621,031.20 is: 931,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,856.40 : 2,351,201.40 = 621,031.20 : x
  2. Step 2: Convert to fraction form
    1,567,856.40/2,351,201.40 = 621,031.20/x
  3. Step 3: Cross multiply
    1,567,856.40x = 2,351,201.40 × 621,031.20
  4. Step 4: Simplify right side
    1,567,856.40x = 1,460,169,426,883.68
  5. Step 5: Solve for x
    x = 1,460,169,426,883.68/1,567,856.40
  6. Step 6: Final answer
    x = 931,315.79

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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.