Home / 1,039,404.60-1,559,106.90-638,746.20

Finding the Fourth Proportional to 1,039,404.60, 1,559,106.90 and 638,746.20

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Solution

The fourth proportional to 1,039,404.60, 1,559,106.90 and 638,746.20 is: 958,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,404.60 : 1,559,106.90 = 638,746.20 : x
  2. Step 2: Convert to fraction form
    1,039,404.60/1,559,106.90 = 638,746.20/x
  3. Step 3: Cross multiply
    1,039,404.60x = 1,559,106.90 × 638,746.20
  4. Step 4: Simplify right side
    1,039,404.60x = 995,873,607,768.78
  5. Step 5: Solve for x
    x = 995,873,607,768.78/1,039,404.60
  6. Step 6: Final answer
    x = 958,119.30

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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.