Home / 1,315,075.47-1,970,869.29-675,353.33

Finding the Fourth Proportional to 1,315,075.47, 1,970,869.29 and 675,353.33

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Solution

The fourth proportional to 1,315,075.47, 1,970,869.29 and 675,353.33 is: 1,012,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,075.47 : 1,970,869.29 = 675,353.33 : x
  2. Step 2: Convert to fraction form
    1,315,075.47/1,970,869.29 = 675,353.33/x
  3. Step 3: Cross multiply
    1,315,075.47x = 1,970,869.29 × 675,353.33
  4. Step 4: Simplify right side
    1,315,075.47x = 1,331,033,128,141.89
  5. Step 5: Solve for x
    x = 1,331,033,128,141.89/1,315,075.47
  6. Step 6: Final answer
    x = 1,012,134.40

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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.