Home / 1,154,305.23-1,731,457.86-312,856.98

Finding the Fourth Proportional to 1,154,305.23, 1,731,457.86 and 312,856.98

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Solution

The fourth proportional to 1,154,305.23, 1,731,457.86 and 312,856.98 is: 469,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,305.23 : 1,731,457.86 = 312,856.98 : x
  2. Step 2: Convert to fraction form
    1,154,305.23/1,731,457.86 = 312,856.98/x
  3. Step 3: Cross multiply
    1,154,305.23x = 1,731,457.86 × 312,856.98
  4. Step 4: Simplify right side
    1,154,305.23x = 541,698,677,076.86
  5. Step 5: Solve for x
    x = 541,698,677,076.86/1,154,305.23
  6. Step 6: Final answer
    x = 469,285.47

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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.