Home / 1,312,022.80-1,968,034.20-470,465.20

Finding the Fourth Proportional to 1,312,022.80, 1,968,034.20 and 470,465.20

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Solution

The fourth proportional to 1,312,022.80, 1,968,034.20 and 470,465.20 is: 705,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,022.80 : 1,968,034.20 = 470,465.20 : x
  2. Step 2: Convert to fraction form
    1,312,022.80/1,968,034.20 = 470,465.20/x
  3. Step 3: Cross multiply
    1,312,022.80x = 1,968,034.20 × 470,465.20
  4. Step 4: Simplify right side
    1,312,022.80x = 925,891,603,509.84
  5. Step 5: Solve for x
    x = 925,891,603,509.84/1,312,022.80
  6. Step 6: Final answer
    x = 705,697.80

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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.