Home / 1,365,420.60-1,884,273.90-761,807.16

Finding the Fourth Proportional to 1,365,420.60, 1,884,273.90 and 761,807.16

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Solution

The fourth proportional to 1,365,420.60, 1,884,273.90 and 761,807.16 is: 1,051,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,420.60 : 1,884,273.90 = 761,807.16 : x
  2. Step 2: Convert to fraction form
    1,365,420.60/1,884,273.90 = 761,807.16/x
  3. Step 3: Cross multiply
    1,365,420.60x = 1,884,273.90 × 761,807.16
  4. Step 4: Simplify right side
    1,365,420.60x = 1,435,453,348,421.12
  5. Step 5: Solve for x
    x = 1,435,453,348,421.12/1,365,420.60
  6. Step 6: Final answer
    x = 1,051,290.24

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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.