Home / 1,029,830.52-1,421,211.04-570,915.88

Finding the Fourth Proportional to 1,029,830.52, 1,421,211.04 and 570,915.88

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Solution

The fourth proportional to 1,029,830.52, 1,421,211.04 and 570,915.88 is: 787,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,830.52 : 1,421,211.04 = 570,915.88 : x
  2. Step 2: Convert to fraction form
    1,029,830.52/1,421,211.04 = 570,915.88/x
  3. Step 3: Cross multiply
    1,029,830.52x = 1,421,211.04 × 570,915.88
  4. Step 4: Simplify right side
    1,029,830.52x = 811,391,951,567.32
  5. Step 5: Solve for x
    x = 811,391,951,567.32/1,029,830.52
  6. Step 6: Final answer
    x = 787,888.82

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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.