Home / 1,107,429.90-1,655,075.67-808,539.90

Finding the Fourth Proportional to 1,107,429.90, 1,655,075.67 and 808,539.90

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Solution

The fourth proportional to 1,107,429.90, 1,655,075.67 and 808,539.90 is: 1,208,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,429.90 : 1,655,075.67 = 808,539.90 : x
  2. Step 2: Convert to fraction form
    1,107,429.90/1,655,075.67 = 808,539.90/x
  3. Step 3: Cross multiply
    1,107,429.90x = 1,655,075.67 × 808,539.90
  4. Step 4: Simplify right side
    1,107,429.90x = 1,338,194,716,714.23
  5. Step 5: Solve for x
    x = 1,338,194,716,714.23/1,107,429.90
  6. Step 6: Final answer
    x = 1,208,378.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.