Home / 1,685,312.64-2,325,739.44-921,366

Finding the Fourth Proportional to 1,685,312.64, 2,325,739.44 and 921,366

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Solution

The fourth proportional to 1,685,312.64, 2,325,739.44 and 921,366 is: 1,271,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,312.64 : 2,325,739.44 = 921,366 : x
  2. Step 2: Convert to fraction form
    1,685,312.64/2,325,739.44 = 921,366/x
  3. Step 3: Cross multiply
    1,685,312.64x = 2,325,739.44 × 921,366
  4. Step 4: Simplify right side
    1,685,312.64x = 2,142,857,244,875.04
  5. Step 5: Solve for x
    x = 2,142,857,244,875.04/1,685,312.64
  6. Step 6: Final answer
    x = 1,271,489.45

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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.