Home / 1,007,297.81-1,390,071.18-548,412.41

Finding the Fourth Proportional to 1,007,297.81, 1,390,071.18 and 548,412.41

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Solution

The fourth proportional to 1,007,297.81, 1,390,071.18 and 548,412.41 is: 756,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,297.81 : 1,390,071.18 = 548,412.41 : x
  2. Step 2: Convert to fraction form
    1,007,297.81/1,390,071.18 = 548,412.41/x
  3. Step 3: Cross multiply
    1,007,297.81x = 1,390,071.18 × 548,412.41
  4. Step 4: Simplify right side
    1,007,297.81x = 762,332,291,427.07
  5. Step 5: Solve for x
    x = 762,332,291,427.07/1,007,297.81
  6. Step 6: Final answer
    x = 756,809.24

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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.