Home / 1,098,928.36-1,648,860-425,482.71

Finding the Fourth Proportional to 1,098,928.36, 1,648,860 and 425,482.71

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Solution

The fourth proportional to 1,098,928.36, 1,648,860 and 425,482.71 is: 638,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,928.36 : 1,648,860 = 425,482.71 : x
  2. Step 2: Convert to fraction form
    1,098,928.36/1,648,860 = 425,482.71/x
  3. Step 3: Cross multiply
    1,098,928.36x = 1,648,860 × 425,482.71
  4. Step 4: Simplify right side
    1,098,928.36x = 701,561,421,210.60
  5. Step 5: Solve for x
    x = 701,561,421,210.60/1,098,928.36
  6. Step 6: Final answer
    x = 638,405.06

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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.