Home / 1,547,071.20-2,134,925.10-858,702.96

Finding the Fourth Proportional to 1,547,071.20, 2,134,925.10 and 858,702.96

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Solution

The fourth proportional to 1,547,071.20, 2,134,925.10 and 858,702.96 is: 1,184,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,071.20 : 2,134,925.10 = 858,702.96 : x
  2. Step 2: Convert to fraction form
    1,547,071.20/2,134,925.10 = 858,702.96/x
  3. Step 3: Cross multiply
    1,547,071.20x = 2,134,925.10 × 858,702.96
  4. Step 4: Simplify right side
    1,547,071.20x = 1,833,266,502,748.30
  5. Step 5: Solve for x
    x = 1,833,266,502,748.30/1,547,071.20
  6. Step 6: Final answer
    x = 1,184,991.68

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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.