Home / 1,005,532-1,387,845.60-637,771.04

Finding the Fourth Proportional to 1,005,532, 1,387,845.60 and 637,771.04

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Solution

The fourth proportional to 1,005,532, 1,387,845.60 and 637,771.04 is: 880,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,532 : 1,387,845.60 = 637,771.04 : x
  2. Step 2: Convert to fraction form
    1,005,532/1,387,845.60 = 637,771.04/x
  3. Step 3: Cross multiply
    1,005,532x = 1,387,845.60 × 637,771.04
  4. Step 4: Simplify right side
    1,005,532x = 885,127,731,671.42
  5. Step 5: Solve for x
    x = 885,127,731,671.42/1,005,532
  6. Step 6: Final answer
    x = 880,258.14

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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.