Home / 1,069,409.02-1,475,686.31-616,612.54

Finding the Fourth Proportional to 1,069,409.02, 1,475,686.31 and 616,612.54

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Solution

The fourth proportional to 1,069,409.02, 1,475,686.31 and 616,612.54 is: 850,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,409.02 : 1,475,686.31 = 616,612.54 : x
  2. Step 2: Convert to fraction form
    1,069,409.02/1,475,686.31 = 616,612.54/x
  3. Step 3: Cross multiply
    1,069,409.02x = 1,475,686.31 × 616,612.54
  4. Step 4: Simplify right side
    1,069,409.02x = 909,926,683,852.33
  5. Step 5: Solve for x
    x = 909,926,683,852.33/1,069,409.02
  6. Step 6: Final answer
    x = 850,868.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.