Home / 1,605,427.20-2,408,136-407,347.20

Finding the Fourth Proportional to 1,605,427.20, 2,408,136 and 407,347.20

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Solution

The fourth proportional to 1,605,427.20, 2,408,136 and 407,347.20 is: 611,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,427.20 : 2,408,136 = 407,347.20 : x
  2. Step 2: Convert to fraction form
    1,605,427.20/2,408,136 = 407,347.20/x
  3. Step 3: Cross multiply
    1,605,427.20x = 2,408,136 × 407,347.20
  4. Step 4: Simplify right side
    1,605,427.20x = 980,947,456,819.20
  5. Step 5: Solve for x
    x = 980,947,456,819.20/1,605,427.20
  6. Step 6: Final answer
    x = 611,019.58

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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.