Home / 1,434,783.60-1,980,090.90-790,203.63

Finding the Fourth Proportional to 1,434,783.60, 1,980,090.90 and 790,203.63

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Solution

The fourth proportional to 1,434,783.60, 1,980,090.90 and 790,203.63 is: 1,090,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,783.60 : 1,980,090.90 = 790,203.63 : x
  2. Step 2: Convert to fraction form
    1,434,783.60/1,980,090.90 = 790,203.63/x
  3. Step 3: Cross multiply
    1,434,783.60x = 1,980,090.90 × 790,203.63
  4. Step 4: Simplify right side
    1,434,783.60x = 1,564,675,016,909.97
  5. Step 5: Solve for x
    x = 1,564,675,016,909.97/1,434,783.60
  6. Step 6: Final answer
    x = 1,090,530.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.