Home / 1,237,520.25-1,706,482.67-915,904.89

Finding the Fourth Proportional to 1,237,520.25, 1,706,482.67 and 915,904.89

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Solution

The fourth proportional to 1,237,520.25, 1,706,482.67 and 915,904.89 is: 1,262,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,520.25 : 1,706,482.67 = 915,904.89 : x
  2. Step 2: Convert to fraction form
    1,237,520.25/1,706,482.67 = 915,904.89/x
  3. Step 3: Cross multiply
    1,237,520.25x = 1,706,482.67 × 915,904.89
  4. Step 4: Simplify right side
    1,237,520.25x = 1,562,975,817,573.73
  5. Step 5: Solve for x
    x = 1,562,975,817,573.73/1,237,520.25
  6. Step 6: Final answer
    x = 1,262,990.09

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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.