Home / 1,218,075.52-1,679,827.30-1,045,934.93

Finding the Fourth Proportional to 1,218,075.52, 1,679,827.30 and 1,045,934.93

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Solution

The fourth proportional to 1,218,075.52, 1,679,827.30 and 1,045,934.93 is: 1,442,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,075.52 : 1,679,827.30 = 1,045,934.93 : x
  2. Step 2: Convert to fraction form
    1,218,075.52/1,679,827.30 = 1,045,934.93/x
  3. Step 3: Cross multiply
    1,218,075.52x = 1,679,827.30 × 1,045,934.93
  4. Step 4: Simplify right side
    1,218,075.52x = 1,756,990,049,437.59
  5. Step 5: Solve for x
    x = 1,756,990,049,437.59/1,218,075.52
  6. Step 6: Final answer
    x = 1,442,431.13

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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.