Home / 1,038,289.80-1,432,837.24-579,399.52

Finding the Fourth Proportional to 1,038,289.80, 1,432,837.24 and 579,399.52

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Solution

The fourth proportional to 1,038,289.80, 1,432,837.24 and 579,399.52 is: 799,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,289.80 : 1,432,837.24 = 579,399.52 : x
  2. Step 2: Convert to fraction form
    1,038,289.80/1,432,837.24 = 579,399.52/x
  3. Step 3: Cross multiply
    1,038,289.80x = 1,432,837.24 × 579,399.52
  4. Step 4: Simplify right side
    1,038,289.80x = 830,185,209,094.13
  5. Step 5: Solve for x
    x = 830,185,209,094.13/1,038,289.80
  6. Step 6: Final answer
    x = 799,569.84

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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.