Home / 3,135,386.15-4,702,575.81-860,379.26

Finding the Fourth Proportional to 3,135,386.15, 4,702,575.81 and 860,379.26

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Solution

The fourth proportional to 3,135,386.15, 4,702,575.81 and 860,379.26 is: 1,290,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,386.15 : 4,702,575.81 = 860,379.26 : x
  2. Step 2: Convert to fraction form
    3,135,386.15/4,702,575.81 = 860,379.26/x
  3. Step 3: Cross multiply
    3,135,386.15x = 4,702,575.81 × 860,379.26
  4. Step 4: Simplify right side
    3,135,386.15x = 4,045,998,671,988.82
  5. Step 5: Solve for x
    x = 4,045,998,671,988.82/3,135,386.15
  6. Step 6: Final answer
    x = 1,290,430.74

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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.