Home / 1,312,056.80-1,968,085.20-470,499.20

Finding the Fourth Proportional to 1,312,056.80, 1,968,085.20 and 470,499.20

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Solution

The fourth proportional to 1,312,056.80, 1,968,085.20 and 470,499.20 is: 705,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,056.80 : 1,968,085.20 = 470,499.20 : x
  2. Step 2: Convert to fraction form
    1,312,056.80/1,968,085.20 = 470,499.20/x
  3. Step 3: Cross multiply
    1,312,056.80x = 1,968,085.20 × 470,499.20
  4. Step 4: Simplify right side
    1,312,056.80x = 925,982,512,131.84
  5. Step 5: Solve for x
    x = 925,982,512,131.84/1,312,056.80
  6. Step 6: Final answer
    x = 705,748.80

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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.