Home / 1,159,128.47-1,738,495.86-306,209.40

Finding the Fourth Proportional to 1,159,128.47, 1,738,495.86 and 306,209.40

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Solution

The fourth proportional to 1,159,128.47, 1,738,495.86 and 306,209.40 is: 459,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,128.47 : 1,738,495.86 = 306,209.40 : x
  2. Step 2: Convert to fraction form
    1,159,128.47/1,738,495.86 = 306,209.40/x
  3. Step 3: Cross multiply
    1,159,128.47x = 1,738,495.86 × 306,209.40
  4. Step 4: Simplify right side
    1,159,128.47x = 532,343,774,193.08
  5. Step 5: Solve for x
    x = 532,343,774,193.08/1,159,128.47
  6. Step 6: Final answer
    x = 459,262.10

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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.