Home / 1,776,064.80-2,664,097.20-778,792.80

Finding the Fourth Proportional to 1,776,064.80, 2,664,097.20 and 778,792.80

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Solution

The fourth proportional to 1,776,064.80, 2,664,097.20 and 778,792.80 is: 1,168,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,064.80 : 2,664,097.20 = 778,792.80 : x
  2. Step 2: Convert to fraction form
    1,776,064.80/2,664,097.20 = 778,792.80/x
  3. Step 3: Cross multiply
    1,776,064.80x = 2,664,097.20 × 778,792.80
  4. Step 4: Simplify right side
    1,776,064.80x = 2,074,779,717,860.16
  5. Step 5: Solve for x
    x = 2,074,779,717,860.16/1,776,064.80
  6. Step 6: Final answer
    x = 1,168,189.20

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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.