Home / 1,038,239.40-1,553,903.10-753,119.40

Finding the Fourth Proportional to 1,038,239.40, 1,553,903.10 and 753,119.40

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Solution

The fourth proportional to 1,038,239.40, 1,553,903.10 and 753,119.40 is: 1,127,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,239.40 : 1,553,903.10 = 753,119.40 : x
  2. Step 2: Convert to fraction form
    1,038,239.40/1,553,903.10 = 753,119.40/x
  3. Step 3: Cross multiply
    1,038,239.40x = 1,553,903.10 × 753,119.40
  4. Step 4: Simplify right side
    1,038,239.40x = 1,170,274,570,330.14
  5. Step 5: Solve for x
    x = 1,170,274,570,330.14/1,038,239.40
  6. Step 6: Final answer
    x = 1,127,172.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.