Home / 1,038,437.20-1,557,137.40-476,837.20

Finding the Fourth Proportional to 1,038,437.20, 1,557,137.40 and 476,837.20

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Solution

The fourth proportional to 1,038,437.20, 1,557,137.40 and 476,837.20 is: 715,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,437.20 : 1,557,137.40 = 476,837.20 : x
  2. Step 2: Convert to fraction form
    1,038,437.20/1,557,137.40 = 476,837.20/x
  3. Step 3: Cross multiply
    1,038,437.20x = 1,557,137.40 × 476,837.20
  4. Step 4: Simplify right side
    1,038,437.20x = 742,501,037,831.28
  5. Step 5: Solve for x
    x = 742,501,037,831.28/1,038,437.20
  6. Step 6: Final answer
    x = 715,017.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.