Home / 1,425,776.96-2,142,009.68-1,345,075.04

Finding the Fourth Proportional to 1,425,776.96, 2,142,009.68 and 1,345,075.04

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Solution

The fourth proportional to 1,425,776.96, 2,142,009.68 and 1,345,075.04 is: 2,020,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,776.96 : 2,142,009.68 = 1,345,075.04 : x
  2. Step 2: Convert to fraction form
    1,425,776.96/2,142,009.68 = 1,345,075.04/x
  3. Step 3: Cross multiply
    1,425,776.96x = 2,142,009.68 × 1,345,075.04
  4. Step 4: Simplify right side
    1,425,776.96x = 2,881,163,756,006.39
  5. Step 5: Solve for x
    x = 2,881,163,756,006.39/1,425,776.96
  6. Step 6: Final answer
    x = 2,020,767.51

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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.