Home / 1,826,646.80-2,739,970.20-478,806.80

Finding the Fourth Proportional to 1,826,646.80, 2,739,970.20 and 478,806.80

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Solution

The fourth proportional to 1,826,646.80, 2,739,970.20 and 478,806.80 is: 718,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,646.80 : 2,739,970.20 = 478,806.80 : x
  2. Step 2: Convert to fraction form
    1,826,646.80/2,739,970.20 = 478,806.80/x
  3. Step 3: Cross multiply
    1,826,646.80x = 2,739,970.20 × 478,806.80
  4. Step 4: Simplify right side
    1,826,646.80x = 1,311,916,363,557.36
  5. Step 5: Solve for x
    x = 1,311,916,363,557.36/1,826,646.80
  6. Step 6: Final answer
    x = 718,210.20

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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.