Home / 1,051,407.12-1,450,436.04-688,674

Finding the Fourth Proportional to 1,051,407.12, 1,450,436.04 and 688,674

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Solution

The fourth proportional to 1,051,407.12, 1,450,436.04 and 688,674 is: 950,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,407.12 : 1,450,436.04 = 688,674 : x
  2. Step 2: Convert to fraction form
    1,051,407.12/1,450,436.04 = 688,674/x
  3. Step 3: Cross multiply
    1,051,407.12x = 1,450,436.04 × 688,674
  4. Step 4: Simplify right side
    1,051,407.12x = 998,877,589,410.96
  5. Step 5: Solve for x
    x = 998,877,589,410.96/1,051,407.12
  6. Step 6: Final answer
    x = 950,038.83

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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.