Home / 1,347,535.60-2,021,335.80-400,937.20

Finding the Fourth Proportional to 1,347,535.60, 2,021,335.80 and 400,937.20

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Solution

The fourth proportional to 1,347,535.60, 2,021,335.80 and 400,937.20 is: 601,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,535.60 : 2,021,335.80 = 400,937.20 : x
  2. Step 2: Convert to fraction form
    1,347,535.60/2,021,335.80 = 400,937.20/x
  3. Step 3: Cross multiply
    1,347,535.60x = 2,021,335.80 × 400,937.20
  4. Step 4: Simplify right side
    1,347,535.60x = 810,428,715,911.76
  5. Step 5: Solve for x
    x = 810,428,715,911.76/1,347,535.60
  6. Step 6: Final answer
    x = 601,415.44

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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.