Home / 1,670,602.74-2,305,432.98-906,656.31

Finding the Fourth Proportional to 1,670,602.74, 2,305,432.98 and 906,656.31

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Solution

The fourth proportional to 1,670,602.74, 2,305,432.98 and 906,656.31 is: 1,251,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,602.74 : 2,305,432.98 = 906,656.31 : x
  2. Step 2: Convert to fraction form
    1,670,602.74/2,305,432.98 = 906,656.31/x
  3. Step 3: Cross multiply
    1,670,602.74x = 2,305,432.98 × 906,656.31
  4. Step 4: Simplify right side
    1,670,602.74x = 2,090,235,358,599.10
  5. Step 5: Solve for x
    x = 2,090,235,358,599.10/1,670,602.74
  6. Step 6: Final answer
    x = 1,251,186.36

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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.