Home / 1,447,075.80-1,996,969.98-802,555.56

Finding the Fourth Proportional to 1,447,075.80, 1,996,969.98 and 802,555.56

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Solution

The fourth proportional to 1,447,075.80, 1,996,969.98 and 802,555.56 is: 1,107,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,075.80 : 1,996,969.98 = 802,555.56 : x
  2. Step 2: Convert to fraction form
    1,447,075.80/1,996,969.98 = 802,555.56/x
  3. Step 3: Cross multiply
    1,447,075.80x = 1,996,969.98 × 802,555.56
  4. Step 4: Simplify right side
    1,447,075.80x = 1,602,679,360,602.09
  5. Step 5: Solve for x
    x = 1,602,679,360,602.09/1,447,075.80
  6. Step 6: Final answer
    x = 1,107,529.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.