Home / 1,012,985.60-1,398,480-673,952

Finding the Fourth Proportional to 1,012,985.60, 1,398,480 and 673,952

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Solution

The fourth proportional to 1,012,985.60, 1,398,480 and 673,952 is: 930,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,985.60 : 1,398,480 = 673,952 : x
  2. Step 2: Convert to fraction form
    1,012,985.60/1,398,480 = 673,952/x
  3. Step 3: Cross multiply
    1,012,985.60x = 1,398,480 × 673,952
  4. Step 4: Simplify right side
    1,012,985.60x = 942,508,392,960
  5. Step 5: Solve for x
    x = 942,508,392,960/1,012,985.60
  6. Step 6: Final answer
    x = 930,426.25

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1.5x scale

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.