Home / 1,453,640.80-2,180,461.20-1,075,727.20

Finding the Fourth Proportional to 1,453,640.80, 2,180,461.20 and 1,075,727.20

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Solution

The fourth proportional to 1,453,640.80, 2,180,461.20 and 1,075,727.20 is: 1,613,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,640.80 : 2,180,461.20 = 1,075,727.20 : x
  2. Step 2: Convert to fraction form
    1,453,640.80/2,180,461.20 = 1,075,727.20/x
  3. Step 3: Cross multiply
    1,453,640.80x = 2,180,461.20 × 1,075,727.20
  4. Step 4: Simplify right side
    1,453,640.80x = 2,345,581,421,384.64
  5. Step 5: Solve for x
    x = 2,345,581,421,384.64/1,453,640.80
  6. Step 6: Final answer
    x = 1,613,590.80

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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.