Home / 917,070.40-1,375,605.60-823,758.40

Finding the Fourth Proportional to 917,070.40, 1,375,605.60 and 823,758.40

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Solution

The fourth proportional to 917,070.40, 1,375,605.60 and 823,758.40 is: 1,235,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,070.40 : 1,375,605.60 = 823,758.40 : x
  2. Step 2: Convert to fraction form
    917,070.40/1,375,605.60 = 823,758.40/x
  3. Step 3: Cross multiply
    917,070.40x = 1,375,605.60 × 823,758.40
  4. Step 4: Simplify right side
    917,070.40x = 1,133,166,668,087.04
  5. Step 5: Solve for x
    x = 1,133,166,668,087.04/917,070.40
  6. Step 6: Final answer
    x = 1,235,637.60

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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.