Home / 917,857.30-1,376,785.95-707,905.30

Finding the Fourth Proportional to 917,857.30, 1,376,785.95 and 707,905.30

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Solution

The fourth proportional to 917,857.30, 1,376,785.95 and 707,905.30 is: 1,061,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,857.30 : 1,376,785.95 = 707,905.30 : x
  2. Step 2: Convert to fraction form
    917,857.30/1,376,785.95 = 707,905.30/x
  3. Step 3: Cross multiply
    917,857.30x = 1,376,785.95 × 707,905.30
  4. Step 4: Simplify right side
    917,857.30x = 974,634,070,970.54
  5. Step 5: Solve for x
    x = 974,634,070,970.54/917,857.30
  6. Step 6: Final answer
    x = 1,061,857.95

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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.