Home / 1,007,784.64-1,390,742.52-555,075.64

Finding the Fourth Proportional to 1,007,784.64, 1,390,742.52 and 555,075.64

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Solution

The fourth proportional to 1,007,784.64, 1,390,742.52 and 555,075.64 is: 766,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,784.64 : 1,390,742.52 = 555,075.64 : x
  2. Step 2: Convert to fraction form
    1,007,784.64/1,390,742.52 = 555,075.64/x
  3. Step 3: Cross multiply
    1,007,784.64x = 1,390,742.52 × 555,075.64
  4. Step 4: Simplify right side
    1,007,784.64x = 771,967,294,364.21
  5. Step 5: Solve for x
    x = 771,967,294,364.21/1,007,784.64
  6. Step 6: Final answer
    x = 766,004.23

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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.