Home / 1,587,308.80-2,190,595.44-898,972

Finding the Fourth Proportional to 1,587,308.80, 2,190,595.44 and 898,972

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Solution

The fourth proportional to 1,587,308.80, 2,190,595.44 and 898,972 is: 1,240,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,308.80 : 2,190,595.44 = 898,972 : x
  2. Step 2: Convert to fraction form
    1,587,308.80/2,190,595.44 = 898,972/x
  3. Step 3: Cross multiply
    1,587,308.80x = 2,190,595.44 × 898,972
  4. Step 4: Simplify right side
    1,587,308.80x = 1,969,283,963,887.68
  5. Step 5: Solve for x
    x = 1,969,283,963,887.68/1,587,308.80
  6. Step 6: Final answer
    x = 1,240,643.26

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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.