Home / 1,123,600.40-1,685,400.60-983,632.40

Finding the Fourth Proportional to 1,123,600.40, 1,685,400.60 and 983,632.40

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Solution

The fourth proportional to 1,123,600.40, 1,685,400.60 and 983,632.40 is: 1,475,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,600.40 : 1,685,400.60 = 983,632.40 : x
  2. Step 2: Convert to fraction form
    1,123,600.40/1,685,400.60 = 983,632.40/x
  3. Step 3: Cross multiply
    1,123,600.40x = 1,685,400.60 × 983,632.40
  4. Step 4: Simplify right side
    1,123,600.40x = 1,657,814,637,139.44
  5. Step 5: Solve for x
    x = 1,657,814,637,139.44/1,123,600.40
  6. Step 6: Final answer
    x = 1,475,448.60

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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.