Home / 1,179,802.20-1,769,703.30-470,339.40

Finding the Fourth Proportional to 1,179,802.20, 1,769,703.30 and 470,339.40

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Solution

The fourth proportional to 1,179,802.20, 1,769,703.30 and 470,339.40 is: 705,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,802.20 : 1,769,703.30 = 470,339.40 : x
  2. Step 2: Convert to fraction form
    1,179,802.20/1,769,703.30 = 470,339.40/x
  3. Step 3: Cross multiply
    1,179,802.20x = 1,769,703.30 × 470,339.40
  4. Step 4: Simplify right side
    1,179,802.20x = 832,361,188,300.02
  5. Step 5: Solve for x
    x = 832,361,188,300.02/1,179,802.20
  6. Step 6: Final answer
    x = 705,509.10

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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.