Home / 1,400,923.18-2,101,386.31-390,047.33

Finding the Fourth Proportional to 1,400,923.18, 2,101,386.31 and 390,047.33

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Solution

The fourth proportional to 1,400,923.18, 2,101,386.31 and 390,047.33 is: 585,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,923.18 : 2,101,386.31 = 390,047.33 : x
  2. Step 2: Convert to fraction form
    1,400,923.18/2,101,386.31 = 390,047.33/x
  3. Step 3: Cross multiply
    1,400,923.18x = 2,101,386.31 × 390,047.33
  4. Step 4: Simplify right side
    1,400,923.18x = 819,640,123,792.40
  5. Step 5: Solve for x
    x = 819,640,123,792.40/1,400,923.18
  6. Step 6: Final answer
    x = 585,071.43

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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.