Home / 1,064,339.74-1,596,719.93-390,427.30

Finding the Fourth Proportional to 1,064,339.74, 1,596,719.93 and 390,427.30

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Solution

The fourth proportional to 1,064,339.74, 1,596,719.93 and 390,427.30 is: 585,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,339.74 : 1,596,719.93 = 390,427.30 : x
  2. Step 2: Convert to fraction form
    1,064,339.74/1,596,719.93 = 390,427.30/x
  3. Step 3: Cross multiply
    1,064,339.74x = 1,596,719.93 × 390,427.30
  4. Step 4: Simplify right side
    1,064,339.74x = 623,403,051,126.09
  5. Step 5: Solve for x
    x = 623,403,051,126.09/1,064,339.74
  6. Step 6: Final answer
    x = 585,718.10

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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.