Home / 1,684,285.89-2,324,320.48-920,339.45

Finding the Fourth Proportional to 1,684,285.89, 2,324,320.48 and 920,339.45

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Solution

The fourth proportional to 1,684,285.89, 2,324,320.48 and 920,339.45 is: 1,270,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,285.89 : 2,324,320.48 = 920,339.45 : x
  2. Step 2: Convert to fraction form
    1,684,285.89/2,324,320.48 = 920,339.45/x
  3. Step 3: Cross multiply
    1,684,285.89x = 2,324,320.48 × 920,339.45
  4. Step 4: Simplify right side
    1,684,285.89x = 2,139,163,830,431.96
  5. Step 5: Solve for x
    x = 2,139,163,830,431.96/1,684,285.89
  6. Step 6: Final answer
    x = 1,270,071.70

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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.