Home / 1,119,110.12-1,679,316.52-470,639.72

Finding the Fourth Proportional to 1,119,110.12, 1,679,316.52 and 470,639.72

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Solution

The fourth proportional to 1,119,110.12, 1,679,316.52 and 470,639.72 is: 706,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,110.12 : 1,679,316.52 = 470,639.72 : x
  2. Step 2: Convert to fraction form
    1,119,110.12/1,679,316.52 = 470,639.72/x
  3. Step 3: Cross multiply
    1,119,110.12x = 1,679,316.52 × 470,639.72
  4. Step 4: Simplify right side
    1,119,110.12x = 790,353,056,764.17
  5. Step 5: Solve for x
    x = 790,353,056,764.17/1,119,110.12
  6. Step 6: Final answer
    x = 706,233.50

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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.