Home / 1,178,603.10-1,767,904.65-292,139.10

Finding the Fourth Proportional to 1,178,603.10, 1,767,904.65 and 292,139.10

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Solution

The fourth proportional to 1,178,603.10, 1,767,904.65 and 292,139.10 is: 438,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,603.10 : 1,767,904.65 = 292,139.10 : x
  2. Step 2: Convert to fraction form
    1,178,603.10/1,767,904.65 = 292,139.10/x
  3. Step 3: Cross multiply
    1,178,603.10x = 1,767,904.65 × 292,139.10
  4. Step 4: Simplify right side
    1,178,603.10x = 516,474,073,336.82
  5. Step 5: Solve for x
    x = 516,474,073,336.82/1,178,603.10
  6. Step 6: Final answer
    x = 438,208.65

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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.