Home / 1,030,480.54-1,421,961.51-571,587.10

Finding the Fourth Proportional to 1,030,480.54, 1,421,961.51 and 571,587.10

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Solution

The fourth proportional to 1,030,480.54, 1,421,961.51 and 571,587.10 is: 788,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,480.54 : 1,421,961.51 = 571,587.10 : x
  2. Step 2: Convert to fraction form
    1,030,480.54/1,421,961.51 = 571,587.10/x
  3. Step 3: Cross multiply
    1,030,480.54x = 1,421,961.51 × 571,587.10
  4. Step 4: Simplify right side
    1,030,480.54x = 812,774,855,812.52
  5. Step 5: Solve for x
    x = 812,774,855,812.52/1,030,480.54
  6. Step 6: Final answer
    x = 788,733.82

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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.