Home / 1,286,903.16-1,776,083.85-743,038.04

Finding the Fourth Proportional to 1,286,903.16, 1,776,083.85 and 743,038.04

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Solution

The fourth proportional to 1,286,903.16, 1,776,083.85 and 743,038.04 is: 1,025,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,903.16 : 1,776,083.85 = 743,038.04 : x
  2. Step 2: Convert to fraction form
    1,286,903.16/1,776,083.85 = 743,038.04/x
  3. Step 3: Cross multiply
    1,286,903.16x = 1,776,083.85 × 743,038.04
  4. Step 4: Simplify right side
    1,286,903.16x = 1,319,697,853,899.23
  5. Step 5: Solve for x
    x = 1,319,697,853,899.23/1,286,903.16
  6. Step 6: Final answer
    x = 1,025,483.42

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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.