Home / 1,124,354.64-1,551,360.60-688,863.96

Finding the Fourth Proportional to 1,124,354.64, 1,551,360.60 and 688,863.96

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Solution

The fourth proportional to 1,124,354.64, 1,551,360.60 and 688,863.96 is: 950,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,354.64 : 1,551,360.60 = 688,863.96 : x
  2. Step 2: Convert to fraction form
    1,124,354.64/1,551,360.60 = 688,863.96/x
  3. Step 3: Cross multiply
    1,124,354.64x = 1,551,360.60 × 688,863.96
  4. Step 4: Simplify right side
    1,124,354.64x = 1,068,676,406,303.98
  5. Step 5: Solve for x
    x = 1,068,676,406,303.98/1,124,354.64
  6. Step 6: Final answer
    x = 950,479.83

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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.