Home / 671,653.15-1,008,030.53-666,404.35

Finding the Fourth Proportional to 671,653.15, 1,008,030.53 and 666,404.35

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Solution

The fourth proportional to 671,653.15, 1,008,030.53 and 666,404.35 is: 1,000,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,653.15 : 1,008,030.53 = 666,404.35 : x
  2. Step 2: Convert to fraction form
    671,653.15/1,008,030.53 = 666,404.35/x
  3. Step 3: Cross multiply
    671,653.15x = 1,008,030.53 × 666,404.35
  4. Step 4: Simplify right side
    671,653.15x = 671,755,926,792.78
  5. Step 5: Solve for x
    x = 671,755,926,792.78/671,653.15
  6. Step 6: Final answer
    x = 1,000,153.02

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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.