Home / 1,559,948.66-2,153,477.49-987,266.42

Finding the Fourth Proportional to 1,559,948.66, 2,153,477.49 and 987,266.42

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Solution

The fourth proportional to 1,559,948.66, 2,153,477.49 and 987,266.42 is: 1,362,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,948.66 : 2,153,477.49 = 987,266.42 : x
  2. Step 2: Convert to fraction form
    1,559,948.66/2,153,477.49 = 987,266.42/x
  3. Step 3: Cross multiply
    1,559,948.66x = 2,153,477.49 × 987,266.42
  4. Step 4: Simplify right side
    1,559,948.66x = 2,126,056,012,102.89
  5. Step 5: Solve for x
    x = 2,126,056,012,102.89/1,559,948.66
  6. Step 6: Final answer
    x = 1,362,901.27

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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.