Home / 1,380,849.40-2,071,347.91-434,293.93

Finding the Fourth Proportional to 1,380,849.40, 2,071,347.91 and 434,293.93

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Solution

The fourth proportional to 1,380,849.40, 2,071,347.91 and 434,293.93 is: 651,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,849.40 : 2,071,347.91 = 434,293.93 : x
  2. Step 2: Convert to fraction form
    1,380,849.40/2,071,347.91 = 434,293.93/x
  3. Step 3: Cross multiply
    1,380,849.40x = 2,071,347.91 × 434,293.93
  4. Step 4: Simplify right side
    1,380,849.40x = 899,573,820,519.72
  5. Step 5: Solve for x
    x = 899,573,820,519.72/1,380,849.40
  6. Step 6: Final answer
    x = 651,464.11

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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.