Home / 1,007,764.74-1,390,727.07-578,084.85

Finding the Fourth Proportional to 1,007,764.74, 1,390,727.07 and 578,084.85

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Solution

The fourth proportional to 1,007,764.74, 1,390,727.07 and 578,084.85 is: 797,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,764.74 : 1,390,727.07 = 578,084.85 : x
  2. Step 2: Convert to fraction form
    1,007,764.74/1,390,727.07 = 578,084.85/x
  3. Step 3: Cross multiply
    1,007,764.74x = 1,390,727.07 × 578,084.85
  4. Step 4: Simplify right side
    1,007,764.74x = 803,958,249,651.89
  5. Step 5: Solve for x
    x = 803,958,249,651.89/1,007,764.74
  6. Step 6: Final answer
    x = 797,763.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.