Home / 1,071,541.71-1,478,795.54-708,328.40

Finding the Fourth Proportional to 1,071,541.71, 1,478,795.54 and 708,328.40

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Solution

The fourth proportional to 1,071,541.71, 1,478,795.54 and 708,328.40 is: 977,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,541.71 : 1,478,795.54 = 708,328.40 : x
  2. Step 2: Convert to fraction form
    1,071,541.71/1,478,795.54 = 708,328.40/x
  3. Step 3: Cross multiply
    1,071,541.71x = 1,478,795.54 × 708,328.40
  4. Step 4: Simplify right side
    1,071,541.71x = 1,047,472,867,839.72
  5. Step 5: Solve for x
    x = 1,047,472,867,839.72/1,071,541.71
  6. Step 6: Final answer
    x = 977,538.12

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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.