Home / 912,938.10-1,369,407.15-889,610.10

Finding the Fourth Proportional to 912,938.10, 1,369,407.15 and 889,610.10

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Solution

The fourth proportional to 912,938.10, 1,369,407.15 and 889,610.10 is: 1,334,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,938.10 : 1,369,407.15 = 889,610.10 : x
  2. Step 2: Convert to fraction form
    912,938.10/1,369,407.15 = 889,610.10/x
  3. Step 3: Cross multiply
    912,938.10x = 1,369,407.15 × 889,610.10
  4. Step 4: Simplify right side
    912,938.10x = 1,218,238,431,652.21
  5. Step 5: Solve for x
    x = 1,218,238,431,652.21/912,938.10
  6. Step 6: Final answer
    x = 1,334,415.15

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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.