Home / 1,306,389.15-1,959,706.98-507,731.85

Finding the Fourth Proportional to 1,306,389.15, 1,959,706.98 and 507,731.85

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Solution

The fourth proportional to 1,306,389.15, 1,959,706.98 and 507,731.85 is: 761,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,389.15 : 1,959,706.98 = 507,731.85 : x
  2. Step 2: Convert to fraction form
    1,306,389.15/1,959,706.98 = 507,731.85/x
  3. Step 3: Cross multiply
    1,306,389.15x = 1,959,706.98 × 507,731.85
  4. Step 4: Simplify right side
    1,306,389.15x = 995,005,650,413.31
  5. Step 5: Solve for x
    x = 995,005,650,413.31/1,306,389.15
  6. Step 6: Final answer
    x = 761,645.68

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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.