Home / 1,036,345.41-1,554,386.90-405,702.09

Finding the Fourth Proportional to 1,036,345.41, 1,554,386.90 and 405,702.09

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Solution

The fourth proportional to 1,036,345.41, 1,554,386.90 and 405,702.09 is: 608,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,345.41 : 1,554,386.90 = 405,702.09 : x
  2. Step 2: Convert to fraction form
    1,036,345.41/1,554,386.90 = 405,702.09/x
  3. Step 3: Cross multiply
    1,036,345.41x = 1,554,386.90 × 405,702.09
  4. Step 4: Simplify right side
    1,036,345.41x = 630,618,011,970.11
  5. Step 5: Solve for x
    x = 630,618,011,970.11/1,036,345.41
  6. Step 6: Final answer
    x = 608,501.77

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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.