Home / 1,130,575.40-1,698,627.90-850,639.40

Finding the Fourth Proportional to 1,130,575.40, 1,698,627.90 and 850,639.40

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Solution

The fourth proportional to 1,130,575.40, 1,698,627.90 and 850,639.40 is: 1,278,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,575.40 : 1,698,627.90 = 850,639.40 : x
  2. Step 2: Convert to fraction form
    1,130,575.40/1,698,627.90 = 850,639.40/x
  3. Step 3: Cross multiply
    1,130,575.40x = 1,698,627.90 × 850,639.40
  4. Step 4: Simplify right side
    1,130,575.40x = 1,444,919,817,679.26
  5. Step 5: Solve for x
    x = 1,444,919,817,679.26/1,130,575.40
  6. Step 6: Final answer
    x = 1,278,039.32

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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.