Home / 1,712,289.18-2,362,953.15-987,133.44

Finding the Fourth Proportional to 1,712,289.18, 2,362,953.15 and 987,133.44

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Solution

The fourth proportional to 1,712,289.18, 2,362,953.15 and 987,133.44 is: 1,362,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,289.18 : 2,362,953.15 = 987,133.44 : x
  2. Step 2: Convert to fraction form
    1,712,289.18/2,362,953.15 = 987,133.44/x
  3. Step 3: Cross multiply
    1,712,289.18x = 2,362,953.15 × 987,133.44
  4. Step 4: Simplify right side
    1,712,289.18x = 2,332,550,071,518.34
  5. Step 5: Solve for x
    x = 2,332,550,071,518.34/1,712,289.18
  6. Step 6: Final answer
    x = 1,362,240.74

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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.