Home / 1,432,205-2,147,848.86-472,445.80

Finding the Fourth Proportional to 1,432,205, 2,147,848.86 and 472,445.80

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Solution

The fourth proportional to 1,432,205, 2,147,848.86 and 472,445.80 is: 708,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,205 : 2,147,848.86 = 472,445.80 : x
  2. Step 2: Convert to fraction form
    1,432,205/2,147,848.86 = 472,445.80/x
  3. Step 3: Cross multiply
    1,432,205x = 2,147,848.86 × 472,445.80
  4. Step 4: Simplify right side
    1,432,205x = 1,014,742,172,941.79
  5. Step 5: Solve for x
    x = 1,014,742,172,941.79/1,432,205
  6. Step 6: Final answer
    x = 708,517.41

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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.