Home / 1,625,400.04-2,242,881.30-900,228.76

Finding the Fourth Proportional to 1,625,400.04, 2,242,881.30 and 900,228.76

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Solution

The fourth proportional to 1,625,400.04, 2,242,881.30 and 900,228.76 is: 1,242,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,400.04 : 2,242,881.30 = 900,228.76 : x
  2. Step 2: Convert to fraction form
    1,625,400.04/2,242,881.30 = 900,228.76/x
  3. Step 3: Cross multiply
    1,625,400.04x = 2,242,881.30 × 900,228.76
  4. Step 4: Simplify right side
    1,625,400.04x = 2,019,106,251,526.19
  5. Step 5: Solve for x
    x = 2,019,106,251,526.19/1,625,400.04
  6. Step 6: Final answer
    x = 1,242,221.12

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Double scale
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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.