Home / 1,695,990-2,545,151.40-698,718

Finding the Fourth Proportional to 1,695,990, 2,545,151.40 and 698,718

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Solution

The fourth proportional to 1,695,990, 2,545,151.40 and 698,718 is: 1,048,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,990 : 2,545,151.40 = 698,718 : x
  2. Step 2: Convert to fraction form
    1,695,990/2,545,151.40 = 698,718/x
  3. Step 3: Cross multiply
    1,695,990x = 2,545,151.40 × 698,718
  4. Step 4: Simplify right side
    1,695,990x = 1,778,343,095,905.20
  5. Step 5: Solve for x
    x = 1,778,343,095,905.20/1,695,990
  6. Step 6: Final answer
    x = 1,048,557.54

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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.