Home / 1,007,798.90-1,390,762.24-555,089.90

Finding the Fourth Proportional to 1,007,798.90, 1,390,762.24 and 555,089.90

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Solution

The fourth proportional to 1,007,798.90, 1,390,762.24 and 555,089.90 is: 766,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,798.90 : 1,390,762.24 = 555,089.90 : x
  2. Step 2: Convert to fraction form
    1,007,798.90/1,390,762.24 = 555,089.90/x
  3. Step 3: Cross multiply
    1,007,798.90x = 1,390,762.24 × 555,089.90
  4. Step 4: Simplify right side
    1,007,798.90x = 771,998,064,383.84
  5. Step 5: Solve for x
    x = 771,998,064,383.84/1,007,798.90
  6. Step 6: Final answer
    x = 766,023.92

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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.