Home / 1,240,981.02-1,712,701.26-697,117.86

Finding the Fourth Proportional to 1,240,981.02, 1,712,701.26 and 697,117.86

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Solution

The fourth proportional to 1,240,981.02, 1,712,701.26 and 697,117.86 is: 962,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,981.02 : 1,712,701.26 = 697,117.86 : x
  2. Step 2: Convert to fraction form
    1,240,981.02/1,712,701.26 = 697,117.86/x
  3. Step 3: Cross multiply
    1,240,981.02x = 1,712,701.26 × 697,117.86
  4. Step 4: Simplify right side
    1,240,981.02x = 1,193,954,637,190.50
  5. Step 5: Solve for x
    x = 1,193,954,637,190.50/1,240,981.02
  6. Step 6: Final answer
    x = 962,105.48

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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.