Home / 1,379,904.30-2,069,856.45-901,607.40

Finding the Fourth Proportional to 1,379,904.30, 2,069,856.45 and 901,607.40

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Solution

The fourth proportional to 1,379,904.30, 2,069,856.45 and 901,607.40 is: 1,352,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,904.30 : 2,069,856.45 = 901,607.40 : x
  2. Step 2: Convert to fraction form
    1,379,904.30/2,069,856.45 = 901,607.40/x
  3. Step 3: Cross multiply
    1,379,904.30x = 2,069,856.45 × 901,607.40
  4. Step 4: Simplify right side
    1,379,904.30x = 1,866,197,892,257.73
  5. Step 5: Solve for x
    x = 1,866,197,892,257.73/1,379,904.30
  6. Step 6: Final answer
    x = 1,352,411.10

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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.