Home / 1,030,256.39-1,421,838.93-571,518.86

Finding the Fourth Proportional to 1,030,256.39, 1,421,838.93 and 571,518.86

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Solution

The fourth proportional to 1,030,256.39, 1,421,838.93 and 571,518.86 is: 788,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,256.39 : 1,421,838.93 = 571,518.86 : x
  2. Step 2: Convert to fraction form
    1,030,256.39/1,421,838.93 = 571,518.86/x
  3. Step 3: Cross multiply
    1,030,256.39x = 1,421,838.93 × 571,518.86
  4. Step 4: Simplify right side
    1,030,256.39x = 812,607,764,377.22
  5. Step 5: Solve for x
    x = 812,607,764,377.22/1,030,256.39
  6. Step 6: Final answer
    x = 788,743.24

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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.