Home / 977,986.70-1,466,980.05-942,557.30

Finding the Fourth Proportional to 977,986.70, 1,466,980.05 and 942,557.30

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Solution

The fourth proportional to 977,986.70, 1,466,980.05 and 942,557.30 is: 1,413,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,986.70 : 1,466,980.05 = 942,557.30 : x
  2. Step 2: Convert to fraction form
    977,986.70/1,466,980.05 = 942,557.30/x
  3. Step 3: Cross multiply
    977,986.70x = 1,466,980.05 × 942,557.30
  4. Step 4: Simplify right side
    977,986.70x = 1,382,712,755,081.87
  5. Step 5: Solve for x
    x = 1,382,712,755,081.87/977,986.70
  6. Step 6: Final answer
    x = 1,413,835.95

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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.