Home / 864,099.10-1,296,148.65-745,903.90

Finding the Fourth Proportional to 864,099.10, 1,296,148.65 and 745,903.90

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Solution

The fourth proportional to 864,099.10, 1,296,148.65 and 745,903.90 is: 1,118,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,099.10 : 1,296,148.65 = 745,903.90 : x
  2. Step 2: Convert to fraction form
    864,099.10/1,296,148.65 = 745,903.90/x
  3. Step 3: Cross multiply
    864,099.10x = 1,296,148.65 × 745,903.90
  4. Step 4: Simplify right side
    864,099.10x = 966,802,333,014.74
  5. Step 5: Solve for x
    x = 966,802,333,014.74/864,099.10
  6. Step 6: Final answer
    x = 1,118,855.85

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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.