Home / 1,157,344.80-1,736,017.20-315,981.60

Finding the Fourth Proportional to 1,157,344.80, 1,736,017.20 and 315,981.60

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Solution

The fourth proportional to 1,157,344.80, 1,736,017.20 and 315,981.60 is: 473,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,344.80 : 1,736,017.20 = 315,981.60 : x
  2. Step 2: Convert to fraction form
    1,157,344.80/1,736,017.20 = 315,981.60/x
  3. Step 3: Cross multiply
    1,157,344.80x = 1,736,017.20 × 315,981.60
  4. Step 4: Simplify right side
    1,157,344.80x = 548,549,492,483.52
  5. Step 5: Solve for x
    x = 548,549,492,483.52/1,157,344.80
  6. Step 6: Final answer
    x = 473,972.40

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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.