Home / 1,038,044.16-1,432,256.40-630,136.08

Finding the Fourth Proportional to 1,038,044.16, 1,432,256.40 and 630,136.08

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Solution

The fourth proportional to 1,038,044.16, 1,432,256.40 and 630,136.08 is: 869,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,044.16 : 1,432,256.40 = 630,136.08 : x
  2. Step 2: Convert to fraction form
    1,038,044.16/1,432,256.40 = 630,136.08/x
  3. Step 3: Cross multiply
    1,038,044.16x = 1,432,256.40 × 630,136.08
  4. Step 4: Simplify right side
    1,038,044.16x = 902,516,433,450.91
  5. Step 5: Solve for x
    x = 902,516,433,450.91/1,038,044.16
  6. Step 6: Final answer
    x = 869,439.34

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Double scale
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1.5x scale

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.