Home / 1,105,287.72-1,657,931.52-306,569.40

Finding the Fourth Proportional to 1,105,287.72, 1,657,931.52 and 306,569.40

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Solution

The fourth proportional to 1,105,287.72, 1,657,931.52 and 306,569.40 is: 459,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,287.72 : 1,657,931.52 = 306,569.40 : x
  2. Step 2: Convert to fraction form
    1,105,287.72/1,657,931.52 = 306,569.40/x
  3. Step 3: Cross multiply
    1,105,287.72x = 1,657,931.52 × 306,569.40
  4. Step 4: Simplify right side
    1,105,287.72x = 508,271,071,327.49
  5. Step 5: Solve for x
    x = 508,271,071,327.49/1,105,287.72
  6. Step 6: Final answer
    x = 459,854.08

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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.