Home / 1,258,805.52-1,886,526.72-459,335.52

Finding the Fourth Proportional to 1,258,805.52, 1,886,526.72 and 459,335.52

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Solution

The fourth proportional to 1,258,805.52, 1,886,526.72 and 459,335.52 is: 688,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,805.52 : 1,886,526.72 = 459,335.52 : x
  2. Step 2: Convert to fraction form
    1,258,805.52/1,886,526.72 = 459,335.52/x
  3. Step 3: Cross multiply
    1,258,805.52x = 1,886,526.72 × 459,335.52
  4. Step 4: Simplify right side
    1,258,805.52x = 866,548,731,925.10
  5. Step 5: Solve for x
    x = 866,548,731,925.10/1,258,805.52
  6. Step 6: Final answer
    x = 688,389.68

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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.