Home / 1,426,187.40-2,139,281.10-626,620.20

Finding the Fourth Proportional to 1,426,187.40, 2,139,281.10 and 626,620.20

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Solution

The fourth proportional to 1,426,187.40, 2,139,281.10 and 626,620.20 is: 939,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,187.40 : 2,139,281.10 = 626,620.20 : x
  2. Step 2: Convert to fraction form
    1,426,187.40/2,139,281.10 = 626,620.20/x
  3. Step 3: Cross multiply
    1,426,187.40x = 2,139,281.10 × 626,620.20
  4. Step 4: Simplify right side
    1,426,187.40x = 1,340,516,750,738.22
  5. Step 5: Solve for x
    x = 1,340,516,750,738.22/1,426,187.40
  6. Step 6: Final answer
    x = 939,930.30

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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.