Home / 987,041.02-1,362,106.11-557,295.52

Finding the Fourth Proportional to 987,041.02, 1,362,106.11 and 557,295.52

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Solution

The fourth proportional to 987,041.02, 1,362,106.11 and 557,295.52 is: 769,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,041.02 : 1,362,106.11 = 557,295.52 : x
  2. Step 2: Convert to fraction form
    987,041.02/1,362,106.11 = 557,295.52/x
  3. Step 3: Cross multiply
    987,041.02x = 1,362,106.11 × 557,295.52
  4. Step 4: Simplify right side
    987,041.02x = 759,095,632,867.63
  5. Step 5: Solve for x
    x = 759,095,632,867.63/987,041.02
  6. Step 6: Final answer
    x = 769,061.89

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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.