Home / 671,653.40-1,008,030.90-666,404.60

Finding the Fourth Proportional to 671,653.40, 1,008,030.90 and 666,404.60

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Solution

The fourth proportional to 671,653.40, 1,008,030.90 and 666,404.60 is: 1,000,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,653.40 : 1,008,030.90 = 666,404.60 : x
  2. Step 2: Convert to fraction form
    671,653.40/1,008,030.90 = 666,404.60/x
  3. Step 3: Cross multiply
    671,653.40x = 1,008,030.90 × 666,404.60
  4. Step 4: Simplify right side
    671,653.40x = 671,756,428,702.14
  5. Step 5: Solve for x
    x = 671,756,428,702.14/671,653.40
  6. Step 6: Final answer
    x = 1,000,153.40

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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.