Home / 1,438,609.81-1,985,140.10-793,988.45

Finding the Fourth Proportional to 1,438,609.81, 1,985,140.10 and 793,988.45

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Solution

The fourth proportional to 1,438,609.81, 1,985,140.10 and 793,988.45 is: 1,095,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,609.81 : 1,985,140.10 = 793,988.45 : x
  2. Step 2: Convert to fraction form
    1,438,609.81/1,985,140.10 = 793,988.45/x
  3. Step 3: Cross multiply
    1,438,609.81x = 1,985,140.10 × 793,988.45
  4. Step 4: Simplify right side
    1,438,609.81x = 1,576,178,303,091.12
  5. Step 5: Solve for x
    x = 1,576,178,303,091.12/1,438,609.81
  6. Step 6: Final answer
    x = 1,095,626.00

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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.