Home / 977,611.60-1,466,417.40-906,752.80

Finding the Fourth Proportional to 977,611.60, 1,466,417.40 and 906,752.80

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Solution

The fourth proportional to 977,611.60, 1,466,417.40 and 906,752.80 is: 1,360,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,611.60 : 1,466,417.40 = 906,752.80 : x
  2. Step 2: Convert to fraction form
    977,611.60/1,466,417.40 = 906,752.80/x
  3. Step 3: Cross multiply
    977,611.60x = 1,466,417.40 × 906,752.80
  4. Step 4: Simplify right side
    977,611.60x = 1,329,678,083,418.72
  5. Step 5: Solve for x
    x = 1,329,678,083,418.72/977,611.60
  6. Step 6: Final answer
    x = 1,360,129.20

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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.