Home / 1,019,482.74-1,529,407.98-420,110.28

Finding the Fourth Proportional to 1,019,482.74, 1,529,407.98 and 420,110.28

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Solution

The fourth proportional to 1,019,482.74, 1,529,407.98 and 420,110.28 is: 630,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,482.74 : 1,529,407.98 = 420,110.28 : x
  2. Step 2: Convert to fraction form
    1,019,482.74/1,529,407.98 = 420,110.28/x
  3. Step 3: Cross multiply
    1,019,482.74x = 1,529,407.98 × 420,110.28
  4. Step 4: Simplify right side
    1,019,482.74x = 642,520,014,712.03
  5. Step 5: Solve for x
    x = 642,520,014,712.03/1,019,482.74
  6. Step 6: Final answer
    x = 630,241.19

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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.