Home / 1,539,746.60-2,310,013.92-640,889.60

Finding the Fourth Proportional to 1,539,746.60, 2,310,013.92 and 640,889.60

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Solution

The fourth proportional to 1,539,746.60, 2,310,013.92 and 640,889.60 is: 961,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,746.60 : 2,310,013.92 = 640,889.60 : x
  2. Step 2: Convert to fraction form
    1,539,746.60/2,310,013.92 = 640,889.60/x
  3. Step 3: Cross multiply
    1,539,746.60x = 2,310,013.92 × 640,889.60
  4. Step 4: Simplify right side
    1,539,746.60x = 1,480,463,897,183.23
  5. Step 5: Solve for x
    x = 1,480,463,897,183.23/1,539,746.60
  6. Step 6: Final answer
    x = 961,498.40

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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.