Home / 1,075,928.33-1,484,335.49-640,258.45

Finding the Fourth Proportional to 1,075,928.33, 1,484,335.49 and 640,258.45

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Solution

The fourth proportional to 1,075,928.33, 1,484,335.49 and 640,258.45 is: 883,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,928.33 : 1,484,335.49 = 640,258.45 : x
  2. Step 2: Convert to fraction form
    1,075,928.33/1,484,335.49 = 640,258.45/x
  3. Step 3: Cross multiply
    1,075,928.33x = 1,484,335.49 × 640,258.45
  4. Step 4: Simplify right side
    1,075,928.33x = 950,358,333,195.26
  5. Step 5: Solve for x
    x = 950,358,333,195.26/1,075,928.33
  6. Step 6: Final answer
    x = 883,291.48

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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.