Home / 1,380,598.21-2,070,984.80-434,006.29

Finding the Fourth Proportional to 1,380,598.21, 2,070,984.80 and 434,006.29

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Solution

The fourth proportional to 1,380,598.21, 2,070,984.80 and 434,006.29 is: 651,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,598.21 : 2,070,984.80 = 434,006.29 : x
  2. Step 2: Convert to fraction form
    1,380,598.21/2,070,984.80 = 434,006.29/x
  3. Step 3: Cross multiply
    1,380,598.21x = 2,070,984.80 × 434,006.29
  4. Step 4: Simplify right side
    1,380,598.21x = 898,820,429,694.39
  5. Step 5: Solve for x
    x = 898,820,429,694.39/1,380,598.21
  6. Step 6: Final answer
    x = 651,036.94

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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.