Home / 926,603.20-1,389,904.80-910,856.80

Finding the Fourth Proportional to 926,603.20, 1,389,904.80 and 910,856.80

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Solution

The fourth proportional to 926,603.20, 1,389,904.80 and 910,856.80 is: 1,366,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,603.20 : 1,389,904.80 = 910,856.80 : x
  2. Step 2: Convert to fraction form
    926,603.20/1,389,904.80 = 910,856.80/x
  3. Step 3: Cross multiply
    926,603.20x = 1,389,904.80 × 910,856.80
  4. Step 4: Simplify right side
    926,603.20x = 1,266,004,238,432.64
  5. Step 5: Solve for x
    x = 1,266,004,238,432.64/926,603.20
  6. Step 6: Final answer
    x = 1,366,285.20

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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.