Home / 1,386,925.52-1,913,964.29-775,088.49

Finding the Fourth Proportional to 1,386,925.52, 1,913,964.29 and 775,088.49

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Solution

The fourth proportional to 1,386,925.52, 1,913,964.29 and 775,088.49 is: 1,069,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,925.52 : 1,913,964.29 = 775,088.49 : x
  2. Step 2: Convert to fraction form
    1,386,925.52/1,913,964.29 = 775,088.49/x
  3. Step 3: Cross multiply
    1,386,925.52x = 1,913,964.29 × 775,088.49
  4. Step 4: Simplify right side
    1,386,925.52x = 1,483,491,697,658.53
  5. Step 5: Solve for x
    x = 1,483,491,697,658.53/1,386,925.52
  6. Step 6: Final answer
    x = 1,069,626.08

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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.