Home / 908,645.40-1,362,968.10-867,311.10

Finding the Fourth Proportional to 908,645.40, 1,362,968.10 and 867,311.10

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Solution

The fourth proportional to 908,645.40, 1,362,968.10 and 867,311.10 is: 1,300,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,645.40 : 1,362,968.10 = 867,311.10 : x
  2. Step 2: Convert to fraction form
    908,645.40/1,362,968.10 = 867,311.10/x
  3. Step 3: Cross multiply
    908,645.40x = 1,362,968.10 × 867,311.10
  4. Step 4: Simplify right side
    908,645.40x = 1,182,117,362,075.91
  5. Step 5: Solve for x
    x = 1,182,117,362,075.91/908,645.40
  6. Step 6: Final answer
    x = 1,300,966.65

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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.