Home / 1,415,252.90-1,953,029.72-803,400.32

Finding the Fourth Proportional to 1,415,252.90, 1,953,029.72 and 803,400.32

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Solution

The fourth proportional to 1,415,252.90, 1,953,029.72 and 803,400.32 is: 1,108,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,252.90 : 1,953,029.72 = 803,400.32 : x
  2. Step 2: Convert to fraction form
    1,415,252.90/1,953,029.72 = 803,400.32/x
  3. Step 3: Cross multiply
    1,415,252.90x = 1,953,029.72 × 803,400.32
  4. Step 4: Simplify right side
    1,415,252.90x = 1,569,064,702,017.51
  5. Step 5: Solve for x
    x = 1,569,064,702,017.51/1,415,252.90
  6. Step 6: Final answer
    x = 1,108,681.50

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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.