Home / 977,689.20-1,466,533.80-942,259.80

Finding the Fourth Proportional to 977,689.20, 1,466,533.80 and 942,259.80

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Solution

The fourth proportional to 977,689.20, 1,466,533.80 and 942,259.80 is: 1,413,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,689.20 : 1,466,533.80 = 942,259.80 : x
  2. Step 2: Convert to fraction form
    977,689.20/1,466,533.80 = 942,259.80/x
  3. Step 3: Cross multiply
    977,689.20x = 1,466,533.80 × 942,259.80
  4. Step 4: Simplify right side
    977,689.20x = 1,381,855,845,081.24
  5. Step 5: Solve for x
    x = 1,381,855,845,081.24/977,689.20
  6. Step 6: Final answer
    x = 1,413,389.70

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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.