Home / 1,021,200.80-1,532,492.40-459,946.40

Finding the Fourth Proportional to 1,021,200.80, 1,532,492.40 and 459,946.40

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Solution

The fourth proportional to 1,021,200.80, 1,532,492.40 and 459,946.40 is: 690,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,200.80 : 1,532,492.40 = 459,946.40 : x
  2. Step 2: Convert to fraction form
    1,021,200.80/1,532,492.40 = 459,946.40/x
  3. Step 3: Cross multiply
    1,021,200.80x = 1,532,492.40 × 459,946.40
  4. Step 4: Simplify right side
    1,021,200.80x = 704,864,362,407.36
  5. Step 5: Solve for x
    x = 704,864,362,407.36/1,021,200.80
  6. Step 6: Final answer
    x = 690,230.91

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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.