Home / 1,106,703.40-1,658,742.90-993,854.20

Finding the Fourth Proportional to 1,106,703.40, 1,658,742.90 and 993,854.20

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Solution

The fourth proportional to 1,106,703.40, 1,658,742.90 and 993,854.20 is: 1,489,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,703.40 : 1,658,742.90 = 993,854.20 : x
  2. Step 2: Convert to fraction form
    1,106,703.40/1,658,742.90 = 993,854.20/x
  3. Step 3: Cross multiply
    1,106,703.40x = 1,658,742.90 × 993,854.20
  4. Step 4: Simplify right side
    1,106,703.40x = 1,648,548,597,885.18
  5. Step 5: Solve for x
    x = 1,648,548,597,885.18/1,106,703.40
  6. Step 6: Final answer
    x = 1,489,602.90

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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.