Home / 1,047,799.80-1,570,662.90-514,884.60

Finding the Fourth Proportional to 1,047,799.80, 1,570,662.90 and 514,884.60

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Solution

The fourth proportional to 1,047,799.80, 1,570,662.90 and 514,884.60 is: 771,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,799.80 : 1,570,662.90 = 514,884.60 : x
  2. Step 2: Convert to fraction form
    1,047,799.80/1,570,662.90 = 514,884.60/x
  3. Step 3: Cross multiply
    1,047,799.80x = 1,570,662.90 × 514,884.60
  4. Step 4: Simplify right side
    1,047,799.80x = 808,710,139,001.34
  5. Step 5: Solve for x
    x = 808,710,139,001.34/1,047,799.80
  6. Step 6: Final answer
    x = 771,817.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.