Home / 1,528,209.60-2,293,351.20-994,430.40

Finding the Fourth Proportional to 1,528,209.60, 2,293,351.20 and 994,430.40

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Solution

The fourth proportional to 1,528,209.60, 2,293,351.20 and 994,430.40 is: 1,492,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,209.60 : 2,293,351.20 = 994,430.40 : x
  2. Step 2: Convert to fraction form
    1,528,209.60/2,293,351.20 = 994,430.40/x
  3. Step 3: Cross multiply
    1,528,209.60x = 2,293,351.20 × 994,430.40
  4. Step 4: Simplify right side
    1,528,209.60x = 2,280,578,151,156.48
  5. Step 5: Solve for x
    x = 2,280,578,151,156.48/1,528,209.60
  6. Step 6: Final answer
    x = 1,492,320.26

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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.