Home / 1,215,332.02-1,677,137.70-671,490.46

Finding the Fourth Proportional to 1,215,332.02, 1,677,137.70 and 671,490.46

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Solution

The fourth proportional to 1,215,332.02, 1,677,137.70 and 671,490.46 is: 926,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,332.02 : 1,677,137.70 = 671,490.46 : x
  2. Step 2: Convert to fraction form
    1,215,332.02/1,677,137.70 = 671,490.46/x
  3. Step 3: Cross multiply
    1,215,332.02x = 1,677,137.70 × 671,490.46
  4. Step 4: Simplify right side
    1,215,332.02x = 1,126,181,965,656.34
  5. Step 5: Solve for x
    x = 1,126,181,965,656.34/1,215,332.02
  6. Step 6: Final answer
    x = 926,645.52

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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.