Home / 1,070,347.75-1,605,757.74-312,248.50

Finding the Fourth Proportional to 1,070,347.75, 1,605,757.74 and 312,248.50

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Solution

The fourth proportional to 1,070,347.75, 1,605,757.74 and 312,248.50 is: 468,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,347.75 : 1,605,757.74 = 312,248.50 : x
  2. Step 2: Convert to fraction form
    1,070,347.75/1,605,757.74 = 312,248.50/x
  3. Step 3: Cross multiply
    1,070,347.75x = 1,605,757.74 × 312,248.50
  4. Step 4: Simplify right side
    1,070,347.75x = 501,395,445,678.39
  5. Step 5: Solve for x
    x = 501,395,445,678.39/1,070,347.75
  6. Step 6: Final answer
    x = 468,441.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.