Home / 912,920.40-1,366,270.20-912,920.40

Finding the Fourth Proportional to 912,920.40, 1,366,270.20 and 912,920.40

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Solution

The fourth proportional to 912,920.40, 1,366,270.20 and 912,920.40 is: 1,366,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,920.40 : 1,366,270.20 = 912,920.40 : x
  2. Step 2: Convert to fraction form
    912,920.40/1,366,270.20 = 912,920.40/x
  3. Step 3: Cross multiply
    912,920.40x = 1,366,270.20 × 912,920.40
  4. Step 4: Simplify right side
    912,920.40x = 1,247,295,937,492.08
  5. Step 5: Solve for x
    x = 1,247,295,937,492.08/912,920.40
  6. Step 6: Final answer
    x = 1,366,270.20

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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.