Home / 1,030,254.90-1,421,656.53-571,361.01

Finding the Fourth Proportional to 1,030,254.90, 1,421,656.53 and 571,361.01

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Solution

The fourth proportional to 1,030,254.90, 1,421,656.53 and 571,361.01 is: 788,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,254.90 : 1,421,656.53 = 571,361.01 : x
  2. Step 2: Convert to fraction form
    1,030,254.90/1,421,656.53 = 571,361.01/x
  3. Step 3: Cross multiply
    1,030,254.90x = 1,421,656.53 × 571,361.01
  4. Step 4: Simplify right side
    1,030,254.90x = 812,279,110,853.90
  5. Step 5: Solve for x
    x = 812,279,110,853.90/1,030,254.90
  6. Step 6: Final answer
    x = 788,425.38

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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.