Home / 1,098,009.70-1,649,779.35-698,841.70

Finding the Fourth Proportional to 1,098,009.70, 1,649,779.35 and 698,841.70

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Solution

The fourth proportional to 1,098,009.70, 1,649,779.35 and 698,841.70 is: 1,050,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,009.70 : 1,649,779.35 = 698,841.70 : x
  2. Step 2: Convert to fraction form
    1,098,009.70/1,649,779.35 = 698,841.70/x
  3. Step 3: Cross multiply
    1,098,009.70x = 1,649,779.35 × 698,841.70
  4. Step 4: Simplify right side
    1,098,009.70x = 1,152,934,605,578.90
  5. Step 5: Solve for x
    x = 1,152,934,605,578.90/1,098,009.70
  6. Step 6: Final answer
    x = 1,050,022.24

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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.