Home / 1,045,288.49-1,443,116.48-658,435.53

Finding the Fourth Proportional to 1,045,288.49, 1,443,116.48 and 658,435.53

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Solution

The fourth proportional to 1,045,288.49, 1,443,116.48 and 658,435.53 is: 909,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,288.49 : 1,443,116.48 = 658,435.53 : x
  2. Step 2: Convert to fraction form
    1,045,288.49/1,443,116.48 = 658,435.53/x
  3. Step 3: Cross multiply
    1,045,288.49x = 1,443,116.48 × 658,435.53
  4. Step 4: Simplify right side
    1,045,288.49x = 950,199,159,199.71
  5. Step 5: Solve for x
    x = 950,199,159,199.71/1,045,288.49
  6. Step 6: Final answer
    x = 909,030.54

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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.