Home / 1,808,256.80-2,712,385.20-545,920.40

Finding the Fourth Proportional to 1,808,256.80, 2,712,385.20 and 545,920.40

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Solution

The fourth proportional to 1,808,256.80, 2,712,385.20 and 545,920.40 is: 818,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,256.80 : 2,712,385.20 = 545,920.40 : x
  2. Step 2: Convert to fraction form
    1,808,256.80/2,712,385.20 = 545,920.40/x
  3. Step 3: Cross multiply
    1,808,256.80x = 2,712,385.20 × 545,920.40
  4. Step 4: Simplify right side
    1,808,256.80x = 1,480,746,413,338.08
  5. Step 5: Solve for x
    x = 1,480,746,413,338.08/1,808,256.80
  6. Step 6: Final answer
    x = 818,880.60

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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.