Home / 989,661.37-1,367,013.90-732,061.93

Finding the Fourth Proportional to 989,661.37, 1,367,013.90 and 732,061.93

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Solution

The fourth proportional to 989,661.37, 1,367,013.90 and 732,061.93 is: 1,011,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,661.37 : 1,367,013.90 = 732,061.93 : x
  2. Step 2: Convert to fraction form
    989,661.37/1,367,013.90 = 732,061.93/x
  3. Step 3: Cross multiply
    989,661.37x = 1,367,013.90 × 732,061.93
  4. Step 4: Simplify right side
    989,661.37x = 1,000,738,833,970.83
  5. Step 5: Solve for x
    x = 1,000,738,833,970.83/989,661.37
  6. Step 6: Final answer
    x = 1,011,193.19

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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.