Home / 1,470,984.42-2,209,798.30-872,338.28

Finding the Fourth Proportional to 1,470,984.42, 2,209,798.30 and 872,338.28

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Solution

The fourth proportional to 1,470,984.42, 2,209,798.30 and 872,338.28 is: 1,310,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,984.42 : 2,209,798.30 = 872,338.28 : x
  2. Step 2: Convert to fraction form
    1,470,984.42/2,209,798.30 = 872,338.28/x
  3. Step 3: Cross multiply
    1,470,984.42x = 2,209,798.30 × 872,338.28
  4. Step 4: Simplify right side
    1,470,984.42x = 1,927,691,648,168.92
  5. Step 5: Solve for x
    x = 1,927,691,648,168.92/1,470,984.42
  6. Step 6: Final answer
    x = 1,310,477.27

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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.