Home / 1,038,455.34-1,433,140.36-579,659.20

Finding the Fourth Proportional to 1,038,455.34, 1,433,140.36 and 579,659.20

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Solution

The fourth proportional to 1,038,455.34, 1,433,140.36 and 579,659.20 is: 799,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,455.34 : 1,433,140.36 = 579,659.20 : x
  2. Step 2: Convert to fraction form
    1,038,455.34/1,433,140.36 = 579,659.20/x
  3. Step 3: Cross multiply
    1,038,455.34x = 1,433,140.36 × 579,659.20
  4. Step 4: Simplify right side
    1,038,455.34x = 830,732,994,565.31
  5. Step 5: Solve for x
    x = 830,732,994,565.31/1,038,455.34
  6. Step 6: Final answer
    x = 799,969.88

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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.