Home / 1,041,646.69-1,437,153.56-678,938.20

Finding the Fourth Proportional to 1,041,646.69, 1,437,153.56 and 678,938.20

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Solution

The fourth proportional to 1,041,646.69, 1,437,153.56 and 678,938.20 is: 936,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,646.69 : 1,437,153.56 = 678,938.20 : x
  2. Step 2: Convert to fraction form
    1,041,646.69/1,437,153.56 = 678,938.20/x
  3. Step 3: Cross multiply
    1,041,646.69x = 1,437,153.56 × 678,938.20
  4. Step 4: Simplify right side
    1,041,646.69x = 975,738,456,701.94
  5. Step 5: Solve for x
    x = 975,738,456,701.94/1,041,646.69
  6. Step 6: Final answer
    x = 936,726.89

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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.