Home / 1,406,007.53-1,940,280.74-761,412.98

Finding the Fourth Proportional to 1,406,007.53, 1,940,280.74 and 761,412.98

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Solution

The fourth proportional to 1,406,007.53, 1,940,280.74 and 761,412.98 is: 1,050,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,007.53 : 1,940,280.74 = 761,412.98 : x
  2. Step 2: Convert to fraction form
    1,406,007.53/1,940,280.74 = 761,412.98/x
  3. Step 3: Cross multiply
    1,406,007.53x = 1,940,280.74 × 761,412.98
  4. Step 4: Simplify right side
    1,406,007.53x = 1,477,354,926,771.54
  5. Step 5: Solve for x
    x = 1,477,354,926,771.54/1,406,007.53
  6. Step 6: Final answer
    x = 1,050,744.68

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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.