Home / 1,247,034.90-1,720,907.40-674,075.07

Finding the Fourth Proportional to 1,247,034.90, 1,720,907.40 and 674,075.07

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Solution

The fourth proportional to 1,247,034.90, 1,720,907.40 and 674,075.07 is: 930,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,034.90 : 1,720,907.40 = 674,075.07 : x
  2. Step 2: Convert to fraction form
    1,247,034.90/1,720,907.40 = 674,075.07/x
  3. Step 3: Cross multiply
    1,247,034.90x = 1,720,907.40 × 674,075.07
  4. Step 4: Simplify right side
    1,247,034.90x = 1,160,020,773,382.49
  5. Step 5: Solve for x
    x = 1,160,020,773,382.49/1,247,034.90
  6. Step 6: Final answer
    x = 930,223.18

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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.