Home / 1,566,386.60-2,349,581.72-429,158.68

Finding the Fourth Proportional to 1,566,386.60, 2,349,581.72 and 429,158.68

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Solution

The fourth proportional to 1,566,386.60, 2,349,581.72 and 429,158.68 is: 643,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,386.60 : 2,349,581.72 = 429,158.68 : x
  2. Step 2: Convert to fraction form
    1,566,386.60/2,349,581.72 = 429,158.68/x
  3. Step 3: Cross multiply
    1,566,386.60x = 2,349,581.72 × 429,158.68
  4. Step 4: Simplify right side
    1,566,386.60x = 1,008,343,381,487.58
  5. Step 5: Solve for x
    x = 1,008,343,381,487.58/1,566,386.60
  6. Step 6: Final answer
    x = 643,738.52

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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.