Home / 697,121.40-1,044,126.90-572,705.40

Finding the Fourth Proportional to 697,121.40, 1,044,126.90 and 572,705.40

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Solution

The fourth proportional to 697,121.40, 1,044,126.90 and 572,705.40 is: 857,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,121.40 : 1,044,126.90 = 572,705.40 : x
  2. Step 2: Convert to fraction form
    697,121.40/1,044,126.90 = 572,705.40/x
  3. Step 3: Cross multiply
    697,121.40x = 1,044,126.90 × 572,705.40
  4. Step 4: Simplify right side
    697,121.40x = 597,977,113,915.26
  5. Step 5: Solve for x
    x = 597,977,113,915.26/697,121.40
  6. Step 6: Final answer
    x = 857,780.46

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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.