Home / 1,434,776.16-1,980,080.60-790,196.18

Finding the Fourth Proportional to 1,434,776.16, 1,980,080.60 and 790,196.18

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Solution

The fourth proportional to 1,434,776.16, 1,980,080.60 and 790,196.18 is: 1,090,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,776.16 : 1,980,080.60 = 790,196.18 : x
  2. Step 2: Convert to fraction form
    1,434,776.16/1,980,080.60 = 790,196.18/x
  3. Step 3: Cross multiply
    1,434,776.16x = 1,980,080.60 × 790,196.18
  4. Step 4: Simplify right side
    1,434,776.16x = 1,564,652,126,212.11
  5. Step 5: Solve for x
    x = 1,564,652,126,212.11/1,434,776.16
  6. Step 6: Final answer
    x = 1,090,520.02

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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.