Home / 1,645,802.30-2,271,295.46-920,606.77

Finding the Fourth Proportional to 1,645,802.30, 2,271,295.46 and 920,606.77

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Solution

The fourth proportional to 1,645,802.30, 2,271,295.46 and 920,606.77 is: 1,270,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,802.30 : 2,271,295.46 = 920,606.77 : x
  2. Step 2: Convert to fraction form
    1,645,802.30/2,271,295.46 = 920,606.77/x
  3. Step 3: Cross multiply
    1,645,802.30x = 2,271,295.46 × 920,606.77
  4. Step 4: Simplify right side
    1,645,802.30x = 2,090,969,977,146.26
  5. Step 5: Solve for x
    x = 2,090,969,977,146.26/1,645,802.30
  6. Step 6: Final answer
    x = 1,270,486.73

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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.