Home / 1,347,364.60-2,021,327.70-449,085.40

Finding the Fourth Proportional to 1,347,364.60, 2,021,327.70 and 449,085.40

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Solution

The fourth proportional to 1,347,364.60, 2,021,327.70 and 449,085.40 is: 673,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,364.60 : 2,021,327.70 = 449,085.40 : x
  2. Step 2: Convert to fraction form
    1,347,364.60/2,021,327.70 = 449,085.40/x
  3. Step 3: Cross multiply
    1,347,364.60x = 2,021,327.70 × 449,085.40
  4. Step 4: Simplify right side
    1,347,364.60x = 907,748,758,685.58
  5. Step 5: Solve for x
    x = 907,748,758,685.58/1,347,364.60
  6. Step 6: Final answer
    x = 673,721.69

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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.