Home / 1,011,950.32-1,396,520.40-553,090.48

Finding the Fourth Proportional to 1,011,950.32, 1,396,520.40 and 553,090.48

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Solution

The fourth proportional to 1,011,950.32, 1,396,520.40 and 553,090.48 is: 763,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,950.32 : 1,396,520.40 = 553,090.48 : x
  2. Step 2: Convert to fraction form
    1,011,950.32/1,396,520.40 = 553,090.48/x
  3. Step 3: Cross multiply
    1,011,950.32x = 1,396,520.40 × 553,090.48
  4. Step 4: Simplify right side
    1,011,950.32x = 772,402,138,365.79
  5. Step 5: Solve for x
    x = 772,402,138,365.79/1,011,950.32
  6. Step 6: Final answer
    x = 763,280.69

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1.5x scale

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.