Home / 1,004,347.39-1,386,220.10-660,215.11

Finding the Fourth Proportional to 1,004,347.39, 1,386,220.10 and 660,215.11

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Solution

The fourth proportional to 1,004,347.39, 1,386,220.10 and 660,215.11 is: 911,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,347.39 : 1,386,220.10 = 660,215.11 : x
  2. Step 2: Convert to fraction form
    1,004,347.39/1,386,220.10 = 660,215.11/x
  3. Step 3: Cross multiply
    1,004,347.39x = 1,386,220.10 × 660,215.11
  4. Step 4: Simplify right side
    1,004,347.39x = 915,203,455,805.71
  5. Step 5: Solve for x
    x = 915,203,455,805.71/1,004,347.39
  6. Step 6: Final answer
    x = 911,241.93

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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.