Home / 1,438,140.23-1,984,631.15-793,559.91

Finding the Fourth Proportional to 1,438,140.23, 1,984,631.15 and 793,559.91

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Solution

The fourth proportional to 1,438,140.23, 1,984,631.15 and 793,559.91 is: 1,095,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,140.23 : 1,984,631.15 = 793,559.91 : x
  2. Step 2: Convert to fraction form
    1,438,140.23/1,984,631.15 = 793,559.91/x
  3. Step 3: Cross multiply
    1,438,140.23x = 1,984,631.15 × 793,559.91
  4. Step 4: Simplify right side
    1,438,140.23x = 1,574,923,712,809.40
  5. Step 5: Solve for x
    x = 1,574,923,712,809.40/1,438,140.23
  6. Step 6: Final answer
    x = 1,095,111.37

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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.