Home / 977,611.40-1,466,417.10-906,752.60

Finding the Fourth Proportional to 977,611.40, 1,466,417.10 and 906,752.60

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Solution

The fourth proportional to 977,611.40, 1,466,417.10 and 906,752.60 is: 1,360,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,611.40 : 1,466,417.10 = 906,752.60 : x
  2. Step 2: Convert to fraction form
    977,611.40/1,466,417.10 = 906,752.60/x
  3. Step 3: Cross multiply
    977,611.40x = 1,466,417.10 × 906,752.60
  4. Step 4: Simplify right side
    977,611.40x = 1,329,677,518,109.46
  5. Step 5: Solve for x
    x = 1,329,677,518,109.46/977,611.40
  6. Step 6: Final answer
    x = 1,360,128.90

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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.