Home / 1,608,810.73-2,220,312.98-920,345.86

Finding the Fourth Proportional to 1,608,810.73, 2,220,312.98 and 920,345.86

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Solution

The fourth proportional to 1,608,810.73, 2,220,312.98 and 920,345.86 is: 1,270,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,810.73 : 2,220,312.98 = 920,345.86 : x
  2. Step 2: Convert to fraction form
    1,608,810.73/2,220,312.98 = 920,345.86/x
  3. Step 3: Cross multiply
    1,608,810.73x = 2,220,312.98 × 920,345.86
  4. Step 4: Simplify right side
    1,608,810.73x = 2,043,455,859,047.26
  5. Step 5: Solve for x
    x = 2,043,455,859,047.26/1,608,810.73
  6. Step 6: Final answer
    x = 1,270,165.48

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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.