Home / 977,785.40-1,466,678.10-906,926.60

Finding the Fourth Proportional to 977,785.40, 1,466,678.10 and 906,926.60

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Solution

The fourth proportional to 977,785.40, 1,466,678.10 and 906,926.60 is: 1,360,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,785.40 : 1,466,678.10 = 906,926.60 : x
  2. Step 2: Convert to fraction form
    977,785.40/1,466,678.10 = 906,926.60/x
  3. Step 3: Cross multiply
    977,785.40x = 1,466,678.10 × 906,926.60
  4. Step 4: Simplify right side
    977,785.40x = 1,330,169,382,527.46
  5. Step 5: Solve for x
    x = 1,330,169,382,527.46/977,785.40
  6. Step 6: Final answer
    x = 1,360,389.90

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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.