Home / 1,557,155.36-2,148,868.56-841,763.36

Finding the Fourth Proportional to 1,557,155.36, 2,148,868.56 and 841,763.36

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Solution

The fourth proportional to 1,557,155.36, 2,148,868.56 and 841,763.36 is: 1,161,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,155.36 : 2,148,868.56 = 841,763.36 : x
  2. Step 2: Convert to fraction form
    1,557,155.36/2,148,868.56 = 841,763.36/x
  3. Step 3: Cross multiply
    1,557,155.36x = 2,148,868.56 × 841,763.36
  4. Step 4: Simplify right side
    1,557,155.36x = 1,808,838,819,263.96
  5. Step 5: Solve for x
    x = 1,808,838,819,263.96/1,557,155.36
  6. Step 6: Final answer
    x = 1,161,630.28

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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.