Home / 1,030,316.09-1,421,815.02-571,356.60

Finding the Fourth Proportional to 1,030,316.09, 1,421,815.02 and 571,356.60

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Solution

The fourth proportional to 1,030,316.09, 1,421,815.02 and 571,356.60 is: 788,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,316.09 : 1,421,815.02 = 571,356.60 : x
  2. Step 2: Convert to fraction form
    1,030,316.09/1,421,815.02 = 571,356.60/x
  3. Step 3: Cross multiply
    1,030,316.09x = 1,421,815.02 × 571,356.60
  4. Step 4: Simplify right side
    1,030,316.09x = 812,363,395,656.13
  5. Step 5: Solve for x
    x = 812,363,395,656.13/1,030,316.09
  6. Step 6: Final answer
    x = 788,460.36

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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.