Home / 1,656,703.60-2,485,055.40-859,542.10

Finding the Fourth Proportional to 1,656,703.60, 2,485,055.40 and 859,542.10

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Solution

The fourth proportional to 1,656,703.60, 2,485,055.40 and 859,542.10 is: 1,289,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,703.60 : 2,485,055.40 = 859,542.10 : x
  2. Step 2: Convert to fraction form
    1,656,703.60/2,485,055.40 = 859,542.10/x
  3. Step 3: Cross multiply
    1,656,703.60x = 2,485,055.40 × 859,542.10
  4. Step 4: Simplify right side
    1,656,703.60x = 2,136,009,737,132.34
  5. Step 5: Solve for x
    x = 2,136,009,737,132.34/1,656,703.60
  6. Step 6: Final answer
    x = 1,289,313.15

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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.