Home / 1,357,521.64-1,873,438.74-776,927.01

Finding the Fourth Proportional to 1,357,521.64, 1,873,438.74 and 776,927.01

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Solution

The fourth proportional to 1,357,521.64, 1,873,438.74 and 776,927.01 is: 1,072,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,521.64 : 1,873,438.74 = 776,927.01 : x
  2. Step 2: Convert to fraction form
    1,357,521.64/1,873,438.74 = 776,927.01/x
  3. Step 3: Cross multiply
    1,357,521.64x = 1,873,438.74 × 776,927.01
  4. Step 4: Simplify right side
    1,357,521.64x = 1,455,525,165,711.76
  5. Step 5: Solve for x
    x = 1,455,525,165,711.76/1,357,521.64
  6. Step 6: Final answer
    x = 1,072,192.98

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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.