Home / 1,107,678.60-1,660,570.10-425,055.32

Finding the Fourth Proportional to 1,107,678.60, 1,660,570.10 and 425,055.32

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Solution

The fourth proportional to 1,107,678.60, 1,660,570.10 and 425,055.32 is: 637,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,678.60 : 1,660,570.10 = 425,055.32 : x
  2. Step 2: Convert to fraction form
    1,107,678.60/1,660,570.10 = 425,055.32/x
  3. Step 3: Cross multiply
    1,107,678.60x = 1,660,570.10 × 425,055.32
  4. Step 4: Simplify right side
    1,107,678.60x = 705,834,155,237.93
  5. Step 5: Solve for x
    x = 705,834,155,237.93/1,107,678.60
  6. Step 6: Final answer
    x = 637,219.28

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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.