Home / 1,030,255.81-1,421,840.34-571,518.18

Finding the Fourth Proportional to 1,030,255.81, 1,421,840.34 and 571,518.18

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Solution

The fourth proportional to 1,030,255.81, 1,421,840.34 and 571,518.18 is: 788,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,255.81 : 1,421,840.34 = 571,518.18 : x
  2. Step 2: Convert to fraction form
    1,030,255.81/1,421,840.34 = 571,518.18/x
  3. Step 3: Cross multiply
    1,030,255.81x = 1,421,840.34 × 571,518.18
  4. Step 4: Simplify right side
    1,030,255.81x = 812,607,603,367.38
  5. Step 5: Solve for x
    x = 812,607,603,367.38/1,030,255.81
  6. Step 6: Final answer
    x = 788,743.53

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1.5x scale

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.