Home / 1,009,687.20-1,393,260.48-556,978.08

Finding the Fourth Proportional to 1,009,687.20, 1,393,260.48 and 556,978.08

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Solution

The fourth proportional to 1,009,687.20, 1,393,260.48 and 556,978.08 is: 768,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,687.20 : 1,393,260.48 = 556,978.08 : x
  2. Step 2: Convert to fraction form
    1,009,687.20/1,393,260.48 = 556,978.08/x
  3. Step 3: Cross multiply
    1,009,687.20x = 1,393,260.48 × 556,978.08
  4. Step 4: Simplify right side
    1,009,687.20x = 776,015,547,090.28
  5. Step 5: Solve for x
    x = 776,015,547,090.28/1,009,687.20
  6. Step 6: Final answer
    x = 768,570.25

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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.