Home / 1,615,501.40-2,425,220.40-816,371.60

Finding the Fourth Proportional to 1,615,501.40, 2,425,220.40 and 816,371.60

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Solution

The fourth proportional to 1,615,501.40, 2,425,220.40 and 816,371.60 is: 1,225,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,501.40 : 2,425,220.40 = 816,371.60 : x
  2. Step 2: Convert to fraction form
    1,615,501.40/2,425,220.40 = 816,371.60/x
  3. Step 3: Cross multiply
    1,615,501.40x = 2,425,220.40 × 816,371.60
  4. Step 4: Simplify right side
    1,615,501.40x = 1,979,881,058,300.64
  5. Step 5: Solve for x
    x = 1,979,881,058,300.64/1,615,501.40
  6. Step 6: Final answer
    x = 1,225,552.05

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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.