Home / 1,069,254.60-1,603,881.90-663,347.40

Finding the Fourth Proportional to 1,069,254.60, 1,603,881.90 and 663,347.40

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Solution

The fourth proportional to 1,069,254.60, 1,603,881.90 and 663,347.40 is: 995,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,254.60 : 1,603,881.90 = 663,347.40 : x
  2. Step 2: Convert to fraction form
    1,069,254.60/1,603,881.90 = 663,347.40/x
  3. Step 3: Cross multiply
    1,069,254.60x = 1,603,881.90 × 663,347.40
  4. Step 4: Simplify right side
    1,069,254.60x = 1,063,930,888,272.06
  5. Step 5: Solve for x
    x = 1,063,930,888,272.06/1,069,254.60
  6. Step 6: Final answer
    x = 995,021.10

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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.