Home / 1,099,995.30-1,648,024.65-678,779.10

Finding the Fourth Proportional to 1,099,995.30, 1,648,024.65 and 678,779.10

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Solution

The fourth proportional to 1,099,995.30, 1,648,024.65 and 678,779.10 is: 1,016,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,995.30 : 1,648,024.65 = 678,779.10 : x
  2. Step 2: Convert to fraction form
    1,099,995.30/1,648,024.65 = 678,779.10/x
  3. Step 3: Cross multiply
    1,099,995.30x = 1,648,024.65 × 678,779.10
  4. Step 4: Simplify right side
    1,099,995.30x = 1,118,644,688,704.82
  5. Step 5: Solve for x
    x = 1,118,644,688,704.82/1,099,995.30
  6. Step 6: Final answer
    x = 1,016,954.06

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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.