Home / 1,384,291.20-2,076,436.80-486,746.40

Finding the Fourth Proportional to 1,384,291.20, 2,076,436.80 and 486,746.40

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Solution

The fourth proportional to 1,384,291.20, 2,076,436.80 and 486,746.40 is: 730,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,291.20 : 2,076,436.80 = 486,746.40 : x
  2. Step 2: Convert to fraction form
    1,384,291.20/2,076,436.80 = 486,746.40/x
  3. Step 3: Cross multiply
    1,384,291.20x = 2,076,436.80 × 486,746.40
  4. Step 4: Simplify right side
    1,384,291.20x = 1,010,698,137,227.52
  5. Step 5: Solve for x
    x = 1,010,698,137,227.52/1,384,291.20
  6. Step 6: Final answer
    x = 730,119.60

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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.