Home / 1,539,478.08-2,124,437.76-841,733.28

Finding the Fourth Proportional to 1,539,478.08, 2,124,437.76 and 841,733.28

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Solution

The fourth proportional to 1,539,478.08, 2,124,437.76 and 841,733.28 is: 1,161,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,478.08 : 2,124,437.76 = 841,733.28 : x
  2. Step 2: Convert to fraction form
    1,539,478.08/2,124,437.76 = 841,733.28/x
  3. Step 3: Cross multiply
    1,539,478.08x = 2,124,437.76 × 841,733.28
  4. Step 4: Simplify right side
    1,539,478.08x = 1,788,209,963,880.65
  5. Step 5: Solve for x
    x = 1,788,209,963,880.65/1,539,478.08
  6. Step 6: Final answer
    x = 1,161,568.97

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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.