Home / 1,918,482.40-2,647,506.24-1,059,043.20

Finding the Fourth Proportional to 1,918,482.40, 2,647,506.24 and 1,059,043.20

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Solution

The fourth proportional to 1,918,482.40, 2,647,506.24 and 1,059,043.20 is: 1,461,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,482.40 : 2,647,506.24 = 1,059,043.20 : x
  2. Step 2: Convert to fraction form
    1,918,482.40/2,647,506.24 = 1,059,043.20/x
  3. Step 3: Cross multiply
    1,918,482.40x = 2,647,506.24 × 1,059,043.20
  4. Step 4: Simplify right side
    1,918,482.40x = 2,803,823,480,429.57
  5. Step 5: Solve for x
    x = 2,803,823,480,429.57/1,918,482.40
  6. Step 6: Final answer
    x = 1,461,479.91

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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.