Home / 1,021,401.60-1,532,102.40-517,516.80

Finding the Fourth Proportional to 1,021,401.60, 1,532,102.40 and 517,516.80

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Solution

The fourth proportional to 1,021,401.60, 1,532,102.40 and 517,516.80 is: 776,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,401.60 : 1,532,102.40 = 517,516.80 : x
  2. Step 2: Convert to fraction form
    1,021,401.60/1,532,102.40 = 517,516.80/x
  3. Step 3: Cross multiply
    1,021,401.60x = 1,532,102.40 × 517,516.80
  4. Step 4: Simplify right side
    1,021,401.60x = 792,888,731,320.32
  5. Step 5: Solve for x
    x = 792,888,731,320.32/1,021,401.60
  6. Step 6: Final answer
    x = 776,275.20

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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.