Home / 1,030,327.74-1,421,864.01-571,451.40

Finding the Fourth Proportional to 1,030,327.74, 1,421,864.01 and 571,451.40

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Solution

The fourth proportional to 1,030,327.74, 1,421,864.01 and 571,451.40 is: 788,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,327.74 : 1,421,864.01 = 571,451.40 : x
  2. Step 2: Convert to fraction form
    1,030,327.74/1,421,864.01 = 571,451.40/x
  3. Step 3: Cross multiply
    1,030,327.74x = 1,421,864.01 × 571,451.40
  4. Step 4: Simplify right side
    1,030,327.74x = 812,526,179,124.11
  5. Step 5: Solve for x
    x = 812,526,179,124.11/1,030,327.74
  6. Step 6: Final answer
    x = 788,609.44

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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.