Home / 1,045,289.49-1,443,117.86-658,436.53

Finding the Fourth Proportional to 1,045,289.49, 1,443,117.86 and 658,436.53

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Solution

The fourth proportional to 1,045,289.49, 1,443,117.86 and 658,436.53 is: 909,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,289.49 : 1,443,117.86 = 658,436.53 : x
  2. Step 2: Convert to fraction form
    1,045,289.49/1,443,117.86 = 658,436.53/x
  3. Step 3: Cross multiply
    1,045,289.49x = 1,443,117.86 × 658,436.53
  4. Step 4: Simplify right side
    1,045,289.49x = 950,201,516,119.43
  5. Step 5: Solve for x
    x = 950,201,516,119.43/1,045,289.49
  6. Step 6: Final answer
    x = 909,031.92

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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.