Home / 1,000,466.60-1,380,848.10-678,280.28

Finding the Fourth Proportional to 1,000,466.60, 1,380,848.10 and 678,280.28

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Solution

The fourth proportional to 1,000,466.60, 1,380,848.10 and 678,280.28 is: 936,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,466.60 : 1,380,848.10 = 678,280.28 : x
  2. Step 2: Convert to fraction form
    1,000,466.60/1,380,848.10 = 678,280.28/x
  3. Step 3: Cross multiply
    1,000,466.60x = 1,380,848.10 × 678,280.28
  4. Step 4: Simplify right side
    1,000,466.60x = 936,602,035,905.47
  5. Step 5: Solve for x
    x = 936,602,035,905.47/1,000,466.60
  6. Step 6: Final answer
    x = 936,165.22

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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.