Home / 1,184,974.68-1,635,263.28-641,108.64

Finding the Fourth Proportional to 1,184,974.68, 1,635,263.28 and 641,108.64

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Solution

The fourth proportional to 1,184,974.68, 1,635,263.28 and 641,108.64 is: 884,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,974.68 : 1,635,263.28 = 641,108.64 : x
  2. Step 2: Convert to fraction form
    1,184,974.68/1,635,263.28 = 641,108.64/x
  3. Step 3: Cross multiply
    1,184,974.68x = 1,635,263.28 × 641,108.64
  4. Step 4: Simplify right side
    1,184,974.68x = 1,048,381,417,482.74
  5. Step 5: Solve for x
    x = 1,048,381,417,482.74/1,184,974.68
  6. Step 6: Final answer
    x = 884,728.96

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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.