Home / 1,434,920.10-1,980,203.16-790,342.62

Finding the Fourth Proportional to 1,434,920.10, 1,980,203.16 and 790,342.62

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Solution

The fourth proportional to 1,434,920.10, 1,980,203.16 and 790,342.62 is: 1,090,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,920.10 : 1,980,203.16 = 790,342.62 : x
  2. Step 2: Convert to fraction form
    1,434,920.10/1,980,203.16 = 790,342.62/x
  3. Step 3: Cross multiply
    1,434,920.10x = 1,980,203.16 × 790,342.62
  4. Step 4: Simplify right side
    1,434,920.10x = 1,565,038,953,606.68
  5. Step 5: Solve for x
    x = 1,565,038,953,606.68/1,434,920.10
  6. Step 6: Final answer
    x = 1,090,680.21

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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.