Home / 1,140,632.80-1,574,423.94-657,521.08

Finding the Fourth Proportional to 1,140,632.80, 1,574,423.94 and 657,521.08

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Solution

The fourth proportional to 1,140,632.80, 1,574,423.94 and 657,521.08 is: 907,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,632.80 : 1,574,423.94 = 657,521.08 : x
  2. Step 2: Convert to fraction form
    1,140,632.80/1,574,423.94 = 657,521.08/x
  3. Step 3: Cross multiply
    1,140,632.80x = 1,574,423.94 × 657,521.08
  4. Step 4: Simplify right side
    1,140,632.80x = 1,035,216,929,406.66
  5. Step 5: Solve for x
    x = 1,035,216,929,406.66/1,140,632.80
  6. Step 6: Final answer
    x = 907,581.24

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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.