Home / 1,142,564.25-1,713,448.90-459,248.23

Finding the Fourth Proportional to 1,142,564.25, 1,713,448.90 and 459,248.23

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Solution

The fourth proportional to 1,142,564.25, 1,713,448.90 and 459,248.23 is: 688,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,564.25 : 1,713,448.90 = 459,248.23 : x
  2. Step 2: Convert to fraction form
    1,142,564.25/1,713,448.90 = 459,248.23/x
  3. Step 3: Cross multiply
    1,142,564.25x = 1,713,448.90 × 459,248.23
  4. Step 4: Simplify right side
    1,142,564.25x = 786,898,374,520.45
  5. Step 5: Solve for x
    x = 786,898,374,520.45/1,142,564.25
  6. Step 6: Final answer
    x = 688,712.58

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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.