Home / 1,122,188.93-1,683,642.02-402,044.45

Finding the Fourth Proportional to 1,122,188.93, 1,683,642.02 and 402,044.45

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Solution

The fourth proportional to 1,122,188.93, 1,683,642.02 and 402,044.45 is: 603,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,188.93 : 1,683,642.02 = 402,044.45 : x
  2. Step 2: Convert to fraction form
    1,122,188.93/1,683,642.02 = 402,044.45/x
  3. Step 3: Cross multiply
    1,122,188.93x = 1,683,642.02 × 402,044.45
  4. Step 4: Simplify right side
    1,122,188.93x = 676,898,932,126.67
  5. Step 5: Solve for x
    x = 676,898,932,126.67/1,122,188.93
  6. Step 6: Final answer
    x = 603,195.16

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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.