Home / 1,293,714.09-1,931,474.74-988,510.95

Finding the Fourth Proportional to 1,293,714.09, 1,931,474.74 and 988,510.95

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Solution

The fourth proportional to 1,293,714.09, 1,931,474.74 and 988,510.95 is: 1,475,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,714.09 : 1,931,474.74 = 988,510.95 : x
  2. Step 2: Convert to fraction form
    1,293,714.09/1,931,474.74 = 988,510.95/x
  3. Step 3: Cross multiply
    1,293,714.09x = 1,931,474.74 × 988,510.95
  4. Step 4: Simplify right side
    1,293,714.09x = 1,909,283,915,538.47
  5. Step 5: Solve for x
    x = 1,909,283,915,538.47/1,293,714.09
  6. Step 6: Final answer
    x = 1,475,815.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.