Home / 1,185,925.24-1,636,564.90-642,046.60

Finding the Fourth Proportional to 1,185,925.24, 1,636,564.90 and 642,046.60

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Solution

The fourth proportional to 1,185,925.24, 1,636,564.90 and 642,046.60 is: 886,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,925.24 : 1,636,564.90 = 642,046.60 : x
  2. Step 2: Convert to fraction form
    1,185,925.24/1,636,564.90 = 642,046.60/x
  3. Step 3: Cross multiply
    1,185,925.24x = 1,636,564.90 × 642,046.60
  4. Step 4: Simplify right side
    1,185,925.24x = 1,050,750,929,724.34
  5. Step 5: Solve for x
    x = 1,050,750,929,724.34/1,185,925.24
  6. Step 6: Final answer
    x = 886,017.85

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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.