Home / 1,408,009.60-2,112,014.40-343,043.20

Finding the Fourth Proportional to 1,408,009.60, 2,112,014.40 and 343,043.20

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Solution

The fourth proportional to 1,408,009.60, 2,112,014.40 and 343,043.20 is: 514,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,009.60 : 2,112,014.40 = 343,043.20 : x
  2. Step 2: Convert to fraction form
    1,408,009.60/2,112,014.40 = 343,043.20/x
  3. Step 3: Cross multiply
    1,408,009.60x = 2,112,014.40 × 343,043.20
  4. Step 4: Simplify right side
    1,408,009.60x = 724,512,178,222.08
  5. Step 5: Solve for x
    x = 724,512,178,222.08/1,408,009.60
  6. Step 6: Final answer
    x = 514,564.80

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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.