Home / 1,112,108.02-1,668,291.63-402,470.26

Finding the Fourth Proportional to 1,112,108.02, 1,668,291.63 and 402,470.26

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Solution

The fourth proportional to 1,112,108.02, 1,668,291.63 and 402,470.26 is: 603,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,108.02 : 1,668,291.63 = 402,470.26 : x
  2. Step 2: Convert to fraction form
    1,112,108.02/1,668,291.63 = 402,470.26/x
  3. Step 3: Cross multiply
    1,112,108.02x = 1,668,291.63 × 402,470.26
  4. Step 4: Simplify right side
    1,112,108.02x = 671,437,760,401.93
  5. Step 5: Solve for x
    x = 671,437,760,401.93/1,112,108.02
  6. Step 6: Final answer
    x = 603,752.29

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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.