Home / 846,957.96-1,269,315.72-621,261.72

Finding the Fourth Proportional to 846,957.96, 1,269,315.72 and 621,261.72

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Solution

The fourth proportional to 846,957.96, 1,269,315.72 and 621,261.72 is: 931,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,957.96 : 1,269,315.72 = 621,261.72 : x
  2. Step 2: Convert to fraction form
    846,957.96/1,269,315.72 = 621,261.72/x
  3. Step 3: Cross multiply
    846,957.96x = 1,269,315.72 × 621,261.72
  4. Step 4: Simplify right side
    846,957.96x = 788,577,267,430.24
  5. Step 5: Solve for x
    x = 788,577,267,430.24/846,957.96
  6. Step 6: Final answer
    x = 931,070.14

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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.