Home / 1,247,880.96-1,722,075.54-674,920.98

Finding the Fourth Proportional to 1,247,880.96, 1,722,075.54 and 674,920.98

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Solution

The fourth proportional to 1,247,880.96, 1,722,075.54 and 674,920.98 is: 931,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,880.96 : 1,722,075.54 = 674,920.98 : x
  2. Step 2: Convert to fraction form
    1,247,880.96/1,722,075.54 = 674,920.98/x
  3. Step 3: Cross multiply
    1,247,880.96x = 1,722,075.54 × 674,920.98
  4. Step 4: Simplify right side
    1,247,880.96x = 1,162,264,911,090.83
  5. Step 5: Solve for x
    x = 1,162,264,911,090.83/1,247,880.96
  6. Step 6: Final answer
    x = 931,390.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.