Home / 1,148,931.69-1,585,528.07-639,652.29

Finding the Fourth Proportional to 1,148,931.69, 1,585,528.07 and 639,652.29

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Solution

The fourth proportional to 1,148,931.69, 1,585,528.07 and 639,652.29 is: 882,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,931.69 : 1,585,528.07 = 639,652.29 : x
  2. Step 2: Convert to fraction form
    1,148,931.69/1,585,528.07 = 639,652.29/x
  3. Step 3: Cross multiply
    1,148,931.69x = 1,585,528.07 × 639,652.29
  4. Step 4: Simplify right side
    1,148,931.69x = 1,014,186,657,636.52
  5. Step 5: Solve for x
    x = 1,014,186,657,636.52/1,148,931.69
  6. Step 6: Final answer
    x = 882,721.46

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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.